{"title":"Pirelli MT 21 Rallycross Motorcycle Tires","description":null,"products":[{"product_id":"pirelli-mt-21-rallycross-front-tire-80-90-21-48p-part-number-3988700","title":"Pirelli MT 21 Rallycross Front Tire 80\/90-21 48P, Part Number 3988700","description":"Tire - MT 21™ Rallycross - Front - 80\/90-21 - 48P\n\u003cp\u003eThe Pirelli MT 21 Rallycross front tire is designed for riders who demand dependable off-road performance with dual-sport versatility. This 80\/90-21 tire features a 48P load and speed rating and is built primarily for off-road riding, making it a strong choice for dirt bikes, adventure motorcycles, and dual-sport applications that regularly encounter loose terrain, trails, and challenging surfaces.\u003c\/p\u003e\u003cp\u003eEngineered by Pirelli, the MT 21 Rallycross is the brand’s top-selling dual-sport tire in the United States. Its construction supports consistent handling and traction over extended rides, while the aggressive tread design helps maintain control across off-road conditions. With a 90% off-road and 10% on-road orientation, it is best suited for riders who prioritize trail and dirt performance while still needing limited street capability for connecting routes.\u003c\/p\u003e\u003cp\u003eUse the Pirelli MT 21 Rallycross as a front tire for compatible motorcycles requiring an 80\/90-21 fitment and a 48P rating. Confirm your motorcycle manufacturer’s recommended tire size, load rating, speed rating, wheel specifications, and intended application before installation. This product is identified by Pirelli manufacturer part number 3988700 and vendor part number 3988700.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 80\/90-21 front tire\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eBrand: Pirelli\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 3988700\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 3988700\u003c\/li\u003e\n\u003cli\u003eLoad and Speed Rating: 48P\u003c\/li\u003e\n\u003cli\u003eApplication: Front tire for compatible dual-sport and off-road motorcycles\u003c\/li\u003e\n\u003cli\u003eTerrain Use: 90% off-road and 10% on-road\u003c\/li\u003e\n\u003cli\u003ePerformance: Designed for reliable off-road performance over long distances\u003c\/li\u003e\n\u003cli\u003eFitment: Intended for motorcycles requiring an 80\/90-21 front tire with the specified rating\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544879792363,"sku":"03160496","price":146.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496712.png?v=1790649306"},{"product_id":"pirelli-mt-21-rallycross-rear-tire-120-90-17-64r-part-number-3988400","title":"Pirelli MT 21 Rallycross Rear Tire 120\/90-17 64R, Part Number 3988400","description":"Tire - MT 21™ Rallycross - Rear - 120\/90-17 - 64R\n\u003cp\u003eThe Pirelli MT 21 Rallycross rear tire is a dual-sport tire designed for riders who demand dependable off-road performance over extended distances. Its 120\/90-17 size, 64R load and speed rating, and rear-wheel fitment make it a suitable replacement for compatible adventure, enduro, and dual-sport motorcycles. The tire is engineered primarily for off-road riding while maintaining on-road capability for connecting trails and paved routes.\u003c\/p\u003e\u003cp\u003eManufactured by Pirelli and supplied under vendor part number 3988400, the MT 21 Rallycross is recognized as a popular dual-sport choice in the United States. Its tread design supports traction across dirt, gravel, rocky paths, and other challenging off-road surfaces. With a 90% off-road and 10% on-road application, it is best suited for riders who prioritize trail performance while retaining limited street versatility.\u003c\/p\u003e\u003cp\u003eConfirm motorcycle fitment, wheel position, load requirements, and manufacturer recommendations before installation. This Pirelli rear tire is intended for compatible motorcycles using a 17-inch rear wheel and the specified 120\/90-17 sizing. Professional mounting and balancing are recommended for safe, reliable operation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 120\/90-17\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003ePosition: Rear\u003c\/li\u003e\n\u003cli\u003eBrand: Pirelli\u003c\/li\u003e\n\u003cli\u003eManufacturer: Pirelli\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 3988400\u003c\/li\u003e\n\u003cli\u003eLoad and Speed Rating: 64R\u003c\/li\u003e\n\u003cli\u003eApplication: Dual-sport tire with a 90% off-road and 10% on-road focus\u003c\/li\u003e\n\u003cli\u003ePerformance: Designed for dependable off-road traction over long distances\u003c\/li\u003e\n\u003cli\u003eFitment: Compatible with motorcycles specified for a 120\/90-17 rear tire\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544881070315,"sku":"03170649","price":166.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496836.png?v=1790649413"},{"product_id":"pirelli-mt-21-rallycross-rear-tire-110-80-18-58p-part-number-3988800","title":"Pirelli MT 21 Rallycross Rear Tire 110\/80-18 58P, Part Number 3988800","description":"Tire - MT 21™ Rallycross - Rear - 110\/80-18 - 58P\n\u003cp\u003eThe Pirelli MT 21 Rallycross rear tire is a dual-sport tire designed for riders who demand dependable off-road performance with the flexibility to travel on paved roads. Sized 110\/80-18 with a 58P rating, this rear tire is engineered primarily for off-road use and delivers confident handling across dirt, gravel, trails, and other challenging terrain.\u003c\/p\u003e\u003cp\u003eBuilt for extended rides, the MT 21 Rallycross provides excellent off-road performance over long distances and is recognized as a top-selling dual-sport tire in the United States. Its 90% off-road and 10% on-road design makes it a practical choice for motorcycles that spend most of their time off pavement while still requiring road-going capability between trail sections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Intended for compatible dual-sport motorcycles using a 110\/80-18 rear tire. Confirm the motorcycle manufacturer’s fitment specifications, load requirements, and clearance before installation. This product is manufactured by Pirelli and is identified by Pirelli manufacturer part number 3988800 and vendor part number 3988800.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 110\/80-18 rear tire size\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eBrand: Pirelli\u003c\/li\u003e\n\u003cli\u003eManufacturer: Pirelli\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 3988800\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 3988800\u003c\/li\u003e\n\u003cli\u003eLoad and Speed Rating: 58P\u003c\/li\u003e\n\u003cli\u003eApplication: Dual-sport motorcycle tire\u003c\/li\u003e\n\u003cli\u003eOff-Road Bias: Designed for approximately 90% off-road and 10% on-road use\u003c\/li\u003e\n\u003cli\u003ePerformance: Provides excellent off-road performance over long distances\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for compatible motorcycles requiring a 110\/80-18 rear tire\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544881168619,"sku":"03170650","price":151.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496838.png?v=1790649423"},{"product_id":"pirelli-mt-21-rallycross-rear-tire-120-80-18-62r-part-number-3988900","title":"Pirelli MT 21 Rallycross Rear Tire 120\/80-18 62R, Part Number 3988900","description":"Tire - MT 21™ Rallycross - Rear - 120\/80-18 - 62R\n\u003cp\u003eThe Pirelli MT 21 Rallycross rear tire is designed for riders who demand dependable off-road performance across varied terrain. This dual-sport tire uses a 90% off-road and 10% on-road design, making it well suited for trail riding, dirt roads, and transitional pavement sections. Its construction is intended to provide confident handling and durability during extended off-road trips.\u003c\/p\u003e\u003cp\u003eWith its 120\/80-18 size and 62R rating, the Pirelli MT 21 Rallycross is developed for compatible dual-sport and enduro motorcycles requiring a rear tire in this fitment. The tread pattern supports traction on loose and uneven surfaces while maintaining practical road manners for limited on-road use. Always verify motorcycle manufacturer fitment, clearance, load requirements, and recommended tire specifications before installation.\u003c\/p\u003e\u003cp\u003eManufactured by Pirelli, this rear tire is the top-selling dual-sport tire in the U.S.A. and carries manufacturer and vendor part number 3988900. The MT 21 Rallycross is a practical choice for riders seeking a purpose-built off-road tire that can also handle necessary paved-road connections.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 120\/80-18 rear tire\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eBrand: Pirelli\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3988900\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3988900\u003c\/li\u003e\n\u003cli\u003eSpeed rating: 62R\u003c\/li\u003e\n\u003cli\u003eApplication: Dual-sport motorcycle use\u003c\/li\u003e\n\u003cli\u003eOff-road bias: 90% off-road and 10% on-road\u003c\/li\u003e\n\u003cli\u003eFitment: Designed for compatible dual-sport and enduro motorcycles requiring this rear tire size\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544881594603,"sku":"03170651","price":160.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496835.png?v=1790649433"},{"product_id":"pirelli-mt-21-rallycross-rear-tire-120-90-18-65r-part-number-3989000","title":"Pirelli MT 21 Rallycross Rear Tire 120\/90-18 65R, Part Number 3989000","description":"Tire - MT 21™ Rallycross - Rear - 120\/90-18 - 65R\n\u003cp\u003eThe Pirelli MT 21 Rallycross rear tire is designed for riders who need dependable dual-sport performance with a strong emphasis on off-road capability. This 120\/90-18 tire features a 65R rating and is engineered primarily for dirt, trails, and demanding off-road terrain while remaining suitable for limited street use. As one of Pirelli’s top-selling dual-sport tires in the United States, the MT 21 Rallycross is a practical choice for extended rides and mixed-surface adventures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed for compatible motorcycles that specify a 120\/90-18 rear tire. Always verify the motorcycle manufacturer’s recommended tire size, load rating, speed rating, wheel configuration, and application before installation. The 65R designation identifies the tire’s load and speed rating for appropriate motorcycle fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Pirelli\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Pirelli\u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e MT 21 Rallycross\u003cbr\u003e\u003cstrong\u003ePosition:\u003c\/strong\u003e Rear\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 120\/90-18\u003cbr\u003e\u003cstrong\u003eRating:\u003c\/strong\u003e 65R\u003cbr\u003e\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e 3989000\u003cbr\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 3989000\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Dual-sport use with an approximate 90% off-road and 10% on-road focus. The Pirelli MT 21 Rallycross combines off-road-oriented performance with the versatility needed for connecting trails and roads, making it well suited to riders who spend most of their time away from pavement.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Pirelli\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003ePosition: Rear\u003c\/li\u003e\n\u003cli\u003eSize: 120\/90-18\u003c\/li\u003e\n\u003cli\u003eRating: 65R\u003c\/li\u003e\n\u003cli\u003eApplication: Approximately 90% off-road and 10% on-road use\u003c\/li\u003e\n\u003cli\u003ePerformance: Designed mainly for off-road riding and long-distance dual-sport applications\u003c\/li\u003e\n\u003cli\u003eFitment: For compatible motorcycles requiring a 120\/90-18 rear tire\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 3989000\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 3989000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544881856747,"sku":"03170652","price":165.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496837.png?v=1790649448"},{"product_id":"pirelli-mt-21-rallycross-rear-tire-140-80-18-70r-part-number-4404500","title":"Pirelli MT 21 Rallycross Rear Tire 140\/80-18 70R, Part Number 4404500","description":"Tire - MT 21™ Rallycross - Rear - 140\/80-18 - 70R\n\u003cp\u003eThe Pirelli MT 21 Rallycross rear tire is a 140\/80-18 tire with a 70R load and speed rating, designed for riders who need dependable dual-sport performance in demanding off-road conditions. As a top-selling dual-sport tire in the United States, the MT 21 Rallycross combines a durable construction with a tread pattern suited to extended trail and rally-style riding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e This rear motorcycle tire is intended for compatible dual-sport and adventure motorcycles that specify a 140\/80-18 rear tire. Verify the motorcycle manufacturer’s fitment requirements, rim specifications, load rating, and clearance before installation. The 70R rating identifies the tire’s applicable load and speed classification when properly mounted and used according to manufacturer guidelines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOff-Road Focus:\u003c\/strong\u003e The Pirelli MT 21 Rallycross is designed primarily for off-road use, with an approximately 90% off-road and 10% on-road application balance. Its tread design supports traction across loose dirt, gravel, rocky trails, and other challenging terrain while maintaining practical road capability for connecting trails. The tire is suited to riders seeking confident handling and consistent performance over long distances in mixed-terrain environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e Brand: Pirelli. Model: MT 21 Rallycross. Position: Rear. Size: 140\/80-18. Rating: 70R. Manufacturer and vendor part number: 4404500. Always follow professional mounting procedures, observe the motorcycle and tire manufacturer’s recommendations, and use the proper inflation pressure for the intended load and terrain.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 140\/80-18 rear motorcycle tire\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eBrand: Pirelli\u003c\/li\u003e\n\u003cli\u003ePart Number: 4404500\u003c\/li\u003e\n\u003cli\u003eApplication: Dual-sport tire designed for approximately 90% off-road and 10% on-road use\u003c\/li\u003e\n\u003cli\u003ePerformance: Provides dependable off-road traction for extended-distance riding\u003c\/li\u003e\n\u003cli\u003eFitment: Intended for compatible dual-sport and adventure motorcycles requiring a 140\/80-18 rear tire\u003c\/li\u003e\n\u003cli\u003eRating: 70R load and speed classification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544881987819,"sku":"03170653","price":144.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496839.png?v=1790649463"},{"product_id":"pirelli-mt-21-rallycross-rear-tire-130-90-17-68p-part-number-3989100","title":"Pirelli MT 21 Rallycross Rear Tire 130\/90-17 68P, Part Number 3989100","description":"Tire - MT 21™ Rallycross - Rear - 130\/90-17 - 68P\n\u003cp\u003eThe Pirelli MT 21 Rallycross rear tire is designed for riders who demand dependable off-road performance across extended distances. Built primarily for off-road use, this dual-sport tire delivers a 90% off-road and 10% on-road design balance, making it well suited for adventure motorcycles, trail riding, and mixed-terrain travel.\u003c\/p\u003e\u003cp\u003eFeaturing a 130\/90-17 size and 68P load and speed rating, the Pirelli MT 21 Rallycross provides a practical fit for compatible rear-wheel applications. Its tread design supports traction on dirt, gravel, loose surfaces, and challenging trails while maintaining suitable road manners for limited pavement connections. Always verify motorcycle fitment, wheel specifications, and manufacturer recommendations before installation.\u003c\/p\u003e\u003cp\u003eAs one of Pirelli’s top-selling dual-sport tires in the United States, the MT 21 Rallycross combines durable construction with predictable handling for riders who spend most of their time off the pavement. This rear tire is identified by Pirelli manufacturer part number 3989100 and vendor part number 3989100.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Pirelli\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eTire Position: Rear\u003c\/li\u003e\n\u003cli\u003eTire Size: 130\/90-17\u003c\/li\u003e\n\u003cli\u003eLoad and Speed Rating: 68P\u003c\/li\u003e\n\u003cli\u003eIntended Use: 90% off-road and 10% on-road dual-sport riding\u003c\/li\u003e\n\u003cli\u003ePerformance: Designed for dependable off-road traction over long distances\u003c\/li\u003e\n\u003cli\u003eFitment: Compatible with motorcycles requiring a 130\/90-17 rear tire; verify application before installation\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 3989100\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 3989100\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544882479339,"sku":"03170736","price":172.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496829.png?v=1790649509"},{"product_id":"pirelli-mt-21-rallycross-rear-tire-130-90-18-69r-part-number-3988500","title":"Pirelli MT 21 Rallycross Rear Tire 130\/90-18 69R, Part Number 3988500","description":"Tire - MT 21™ Rallycross - Rear - 130\/90-18 - 69R\n\u003cp\u003eThe Pirelli MT 21 Rallycross rear tire is a dual-sport motorcycle tire designed primarily for off-road riding while maintaining dependable performance on paved roads. This 130\/90-18 tire features a 69R rating and is engineered for riders who need reliable traction and handling across demanding trails, gravel, dirt, and mixed-terrain routes.\u003c\/p\u003e\u003cp\u003eAs one of Pirelli’s top-selling dual-sport tires in the United States, the MT 21 Rallycross provides excellent off-road performance, including during extended rides. Its 90% off-road and 10% on-road design makes it well suited for adventure motorcycles and dual-sport models that spend most of their time on unpaved surfaces but still require road-going capability between trails.\u003c\/p\u003e\u003cp\u003eFeature: Rear motorcycle tire designed for dual-sport and off-road applications.\u003cbr\u003eFeature: 130\/90-18 size with a 69R service rating.\u003cbr\u003eFeature: 90% off-road and 10% on-road performance balance.\u003cbr\u003eFeature: Built for dependable traction over dirt, gravel, and varied off-road terrain.\u003cbr\u003eFeature: Pirelli manufacturer part number 3988500 and vendor part number 3988500.\u003c\/p\u003e\u003cp\u003eFitment should be verified against the motorcycle manufacturer’s specifications before installation. Confirm that the 130\/90-18 rear tire size, load and speed rating, wheel configuration, and intended riding conditions are compatible with your motorcycle. The Pirelli MT 21 Rallycross is supplied as a rear tire and is not intended to replace a different size or front-wheel application without confirming proper fitment.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRear dual-sport motorcycle tire for primarily off-road use\u003c\/li\u003e\n\u003cli\u003e130\/90-18 tire size with 69R rating\u003c\/li\u003e\n\u003cli\u003e90% off-road and 10% on-road performance design\u003c\/li\u003e\n\u003cli\u003eExcellent off-road performance for extended rides\u003c\/li\u003e\n\u003cli\u003ePirelli manufacturer and vendor part number 3988500\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":67544882774251,"sku":"03170737","price":166.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496831.png?v=1790649524"},{"product_id":"pirelli-mt-21-rallycross-90-90-21-54r-front-tire-3990400","title":"PIRELLI MT 21 Rallycross 90\/90-21 54R Front Tire 3990400","description":"Tire - MT 21™ Rallycross - Front - 90\/90-21 - 54R\n\u003cp\u003eThe PIRELLI MT 21 Rallycross front tire, model MT 21 Rallycross, is designed mainly for off-road use and delivers excellent performance over long distances. Its dual-sport configuration is rated for 90% off-road and 10% on-road use, making it suited to riders who prioritize off-road capability while retaining limited on-road functionality.\u003c\/p\u003e\u003cp\u003eThis front tire is identified by manufacturer part number 3990400 and vendor part number 3990400. The tire size is 90\/90-21, with a 54R designation. As a dual-sport tire, the PIRELLI MT 21 Rallycross is intended for compatible motorcycles requiring this front tire size and application. Verify vehicle fitment and manufacturer recommendations before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eApplication: Front tire\u003c\/li\u003e\n\u003cli\u003eSize: 90\/90-21\u003c\/li\u003e\n\u003cli\u003eLoad and speed designation: 54R\u003c\/li\u003e\n\u003cli\u003eUse distribution: 90% off-road and 10% on-road\u003c\/li\u003e\n\u003cli\u003ePerformance: Designed mainly for off-road use and extended-distance riding\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3990400\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3990400\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68232842674411,"sku":"03160497","price":146.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2496713.png?v=1792704520"},{"product_id":"pirelli-140-80-18-mt-21-rallycross-70r-m-s-tt-motorcycle-tire-part-4404500","title":"PIRELLI 140\/80-18 MT 21 Rallycross 70R M+S TT Motorcycle Tire, Part 4404500","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross motorcycle tire is identified by manufacturer part number 4404500 and vendor part number 4404500. It features a 140\/80-18 size, M\/C designation, 70R load and speed marking, M+S marking, and TT tube-type construction.\u003c\/p\u003e\u003cp\u003eDesigned as a Rallycross tire, this PIRELLI model is suited to applications requiring the stated 140\/80-18 fitment. Verify that the tire size, construction, load and speed marking, and vehicle requirements match your motorcycle before installation. Product data does not specify additional vehicle fitment details.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 140\/80-18\u003c\/li\u003e\n\u003cli\u003eMotorcycle designation: M\/C\u003c\/li\u003e\n\u003cli\u003eLoad and speed marking: 70R\u003c\/li\u003e\n\u003cli\u003eMarking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction: TT tube type\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 4404500\u003c\/li\u003e\n\u003cli\u003eVendor part number: 4404500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324711792875,"sku":"747194","price":178.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747194_1699638260.jpg?v=1793429303"},{"product_id":"pirelli-130-90-18-mt-21-rallycross-69r-m-s-tt-3988500","title":"PIRELLI 130\/90-18 MT 21 Rallycross 69R M+S TT 3988500","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross is a motorcycle tire in size 130\/90-18, designed for applications requiring the specified 69R load and speed rating. This tire features M+S designation and a tube-type (TT) construction.\u003c\/p\u003e\u003cp\u003eManufacturer part number: 3988500. Vendor part number: 3988500. Fitment should be confirmed using the motorcycle manufacturer’s specifications and the required tire size, rating, and tube-type configuration before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 130\/90-18\u003c\/li\u003e\n\u003cli\u003eMotorcycle tire designation: M\/C\u003c\/li\u003e\n\u003cli\u003eLoad and speed rating: 69R\u003c\/li\u003e\n\u003cli\u003eM+S designation\u003c\/li\u003e\n\u003cli\u003eConstruction: Tube type (TT)\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3988500\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3988500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324712382699,"sku":"747193","price":207.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747193_1699638247.jpg?v=1793429313"},{"product_id":"pirelli-120-90-18-mt-21-rallycross-model-3989000","title":"PIRELLI 120\/90-18 MT 21 Rallycross Model 3989000","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross is a motorcycle tire in size 120\/90-18, designed for applications requiring a dedicated rallycross tire format. This model carries the manufacturer part number 3989000 and is identified as a 120\/90-18 M\/C 65R M+S TT tire.\u003c\/p\u003e\u003cp\u003eThe tire is marked M+S and uses a TT designation. Fitment should be confirmed against the motorcycle manufacturer’s specifications and the existing tire size before installation. Verify that the 120\/90-18 size, 65R rating, and required tube-type configuration are appropriate for the intended motorcycle.\u003c\/p\u003e\u003cp\u003eVendor part number: 3989000. Manufacturer part number: 3989000. Brand: PIRELLI. Model: MT 21 Rallycross. Size: 120\/90-18.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 120\/90-18\u003c\/li\u003e\n\u003cli\u003eMotorcycle designation: M\/C\u003c\/li\u003e\n\u003cli\u003eLoad and speed designation: 65R\u003c\/li\u003e\n\u003cli\u003eService marking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction designation: TT\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3989000\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3989000\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324713267435,"sku":"747192","price":205.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747192_1699638233.jpg?v=1793429327"},{"product_id":"pirelli-120-80-18-mt-21-rallycross-model-3988900","title":"PIRELLI 120\/80-18 MT 21 Rallycross Model 3988900","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross is a motorcycle tire in size 120\/80-18, designed for applications requiring this specified tire configuration. It carries the model name MT 21 Rallycross and is identified by manufacturer part number 3988900 and vendor part number 3988900.\u003c\/p\u003e\u003cp\u003eThis tire is marked M+S and uses a tube-type construction, indicated by TT. The 120\/80-18 sizing and motorcycle designation should be matched against the motorcycle manufacturer’s fitment requirements before installation. Verify that the tire specifications are appropriate for your application.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 120\/80-18\u003c\/li\u003e\n\u003cli\u003eMotorcycle designation: M\/C\u003c\/li\u003e\n\u003cli\u003eLoad and speed rating: 62R\u003c\/li\u003e\n\u003cli\u003eMarking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction: Tube type (TT)\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3988900\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3988900\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324713824491,"sku":"747191","price":199.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747191_1699637896.jpg?v=1793429337"},{"product_id":"pirelli-110-80-18-mt-21-rallycross-58p-m-s-tt-tire-3988800","title":"PIRELLI 110\/80-18 MT 21 Rallycross 58P M+S TT Tire 3988800","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross tire is sized 110\/80-18 and designed for motorcycle applications. It features a 58P service designation, M+S marking, and a TT tube-type construction. The product is identified by manufacturer part number 3988800.\u003c\/p\u003e\u003cp\u003eVendor part number: 3988800. The available product data does not specify vehicle fitment, so fitment should be confirmed against the motorcycle manufacturer’s requirements and the original tire specifications before purchase.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 110\/80-18\u003c\/li\u003e\n\u003cli\u003eService designation: 58P\u003c\/li\u003e\n\u003cli\u003eMarking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction: TT tube type\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3988800\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3988800\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324714152171,"sku":"747190","price":187.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747190_1699637361.jpg?v=1793429342"},{"product_id":"pirelli-130-90-17-mt-21-rallycross-68p-m-s-tt-part-3989100","title":"PIRELLI 130\/90-17 MT 21 Rallycross 68P M+S TT Part 3989100","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross is a motorcycle tire in size 130\/90-17, with a 68P service designation. It is marked M+S and uses a TT designation. The tire is identified by manufacturer part number 3989100 and vendor part number 3989100.\u003c\/p\u003e\u003cp\u003eDesigned for motorcycle applications, this PIRELLI Rallycross tire provides the specified fitment size and service designation for vehicles requiring a 130\/90-17 tire. Confirm that the size, load and speed designations, M+S marking, and TT configuration match your motorcycle’s requirements before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 130\/90-17\u003c\/li\u003e\n\u003cli\u003eService designation: 68P\u003c\/li\u003e\n\u003cli\u003eMarking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction designation: TT\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3989100\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3989100\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324715102443,"sku":"747189","price":215.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747189_1699637060.jpg?v=1793429357"},{"product_id":"pirelli-120-90-17-mt-21-rallycross-motorcycle-tire-3988400","title":"PIRELLI 120\/90-17 MT 21 Rallycross Motorcycle Tire 3988400","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross is a motorcycle tire in size 120\/90-17, designed for applications requiring a rallycross-style tire. This tire features a 64R service designation, M+S marking, and tube-type construction. The manufacturer part number is 3988400, and the vendor part number is 3988400.\u003c\/p\u003e\u003cp\u003eFitment is based on the specified 120\/90-17 size and motorcycle tire application. Verify the motorcycle manufacturer’s recommended tire size, load and speed requirements, wheel configuration, and tube requirements before installation to confirm proper fitment.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 120\/90-17\u003c\/li\u003e\n\u003cli\u003eService designation: 64R\u003c\/li\u003e\n\u003cli\u003eMarking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction: Tube type\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3988400\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3988400\u003c\/li\u003e\n\u003cli\u003eFitment: Motorcycle applications requiring a 120\/90-17 tire\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324716085483,"sku":"747188","price":207.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747188_1699636964.jpg?v=1793429367"},{"product_id":"pirelli-90-90-21-mt-21-rallycross-54r-m-s-tt-tire-3990400","title":"PIRELLI 90\/90-21 MT 21 Rallycross 54R M+S TT Tire 3990400","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross tire is sized 90\/90-21 and designed for motorcycle applications. It features a 54R service designation, M+S marking, and tube-type construction. The tire is identified by manufacturer part number 3990400 and vendor part number 3990400.\u003c\/p\u003e\u003cp\u003eFitment information is limited to the product data provided. Confirm that the 90\/90-21 size, 54R designation, M+S marking, and tube-type construction match your motorcycle’s requirements before purchase.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 90\/90-21\u003c\/li\u003e\n\u003cli\u003eService designation: 54R\u003c\/li\u003e\n\u003cli\u003eMarking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction: TT, tube type\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3990400\u003c\/li\u003e\n\u003cli\u003eVendor part number: 3990400\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324717002987,"sku":"747187","price":181.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747187_1699636769.jpg?v=1793429376"},{"product_id":"pirelli-80-90-21-mt-21-rallycross-model-3988700","title":"PIRELLI 80\/90-21 MT 21 Rallycross Model 3988700","description":"\u003cp\u003e• Developed for globetrotting motorcyclists and rally specialists who are looking for maximum flexibility of use, from the dunes of the desert to wide-ranging touring on asphalt roads. \u003c\/p\u003e\u003cp\u003e• A flexible carcass to ensure high stability and precision in any conditions. \u003c\/p\u003e\u003cp\u003e• An optimised tread for use on dirt roads and gravel, cross country racing and in the desert. \u003c\/p\u003e\u003cp\u003e• High performance off road with blocks that have greater resistance to tearing thanks to the specific compound. \u003c\/p\u003e\u003cp\u003e• Innovative carcass structure capable of supporting the bike’s high speeds whilst ensuring high resistance to punctures.\u003c\/p\u003e\n\u003cp\u003eThe PIRELLI MT 21 Rallycross is an 80\/90-21 motorcycle tire designed for applications requiring a tube-type construction. This tire carries a 48P rating and is marked M+S. The manufacturer part number is 3988700; no separate vendor part number is provided in the product data.\u003c\/p\u003e\u003cp\u003eFitment is based on the stated 80\/90-21 size and motorcycle designation. Verify that this size, tube-type construction, 48P rating, and M+S marking meet your motorcycle manufacturer’s requirements before installation. The product data does not identify specific motorcycle makes, models, years, or applications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: PIRELLI\u003c\/li\u003e\n\u003cli\u003eModel: MT 21 Rallycross\u003c\/li\u003e\n\u003cli\u003eSize: 80\/90-21\u003c\/li\u003e\n\u003cli\u003eMotorcycle designation: M\/C\u003c\/li\u003e\n\u003cli\u003eLoad and speed rating: 48P\u003c\/li\u003e\n\u003cli\u003eMarking: M+S\u003c\/li\u003e\n\u003cli\u003eConstruction: Tube type\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 3988700\u003c\/li\u003e\n\u003cli\u003eVendor part number: Not provided\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nUOM: EA","brand":"PIRELLI","offers":[{"title":"Default Title","offer_id":68324717691115,"sku":"747186","price":180.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/747186_1699636343.jpg?v=1793429385"}],"url":"https:\/\/ctracingservices.com\/collections\/pirelli-mt-21-rallycross-motorcycle-tires.oembed","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}