{"title":"Dunlop Geomax Factory Spec Motorcycle Tires","description":null,"products":[{"product_id":"dunlop-geomax-factory-spec-front-tire-80-100-21-model-45276500","title":"Dunlop Geomax Factory Spec Front Tire 80\/100-21, Model 45276500","description":"Tire - Geomax Factory Spec - Front - 80\/100-21 - 51M\n\u003cp\u003eThe Dunlop Geomax Factory Spec front tire is engineered for off-road motorcycles competing in soft to mixed terrain. This 80\/100-21 tire uses a proprietary ultra-high molecular mass compound with extended polymer chains that increase bonding points with carbon molecules. The result is a strong, durable rubber compound that helps the tread knobs penetrate the ground for dependable traction and confident handling.\u003c\/p\u003e\u003cp\u003eThe Factory Spec model features an advanced apex designed to improve responsiveness and provide additional support during higher-speed riding and harsher landings. Its single-radius profile delivers predictable control characteristics as track conditions become rougher, helping riders maintain stability and steering precision throughout changing terrain. The tread design also helps reduce knob deformation, supporting consistent performance during demanding off-road use.\u003c\/p\u003e\u003cp\u003eDesigned for motocross and other off-road motorcycle applications, this Dunlop tire performs in soft terrain, including loamy soil, sand, and muddy conditions, while remaining effective in a mixture of packed and loose soil. The front fitment is intended for motorcycles using an 80\/100-21 tire size, with a 51M load and speed designation. Manufacturer part number and vendor part number: 45276500.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 80\/100-21 front motorcycle tire\u003c\/li\u003e\n\u003cli\u003eModel: Geomax Factory Spec\u003c\/li\u003e\n\u003cli\u003eBrand: Dunlop\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 45276500\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 45276500\u003c\/li\u003e\n\u003cli\u003eLoad and Speed Rating: 51M\u003c\/li\u003e\n\u003cli\u003eCompound: Ultra-high molecular mass rubber compound for strong ground penetration and traction\u003c\/li\u003e\n\u003cli\u003eApex Design: Advanced apex supports responsiveness and stability during high-speed riding and hard landings\u003c\/li\u003e\n\u003cli\u003eProfile: Single-radius profile for predictable control on roughening tracks\u003c\/li\u003e\n\u003cli\u003eTerrain: Suitable for soft, loamy, sandy, muddy, and mixed packed-and-loose soil\u003c\/li\u003e\n\u003cli\u003ePerformance: Reduced knob deformation for improved handling and consistent off-road performance\u003c\/li\u003e\n\u003cli\u003eFitment: Front tire application for compatible off-road motorcycles using an 80\/100-21 tire\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DUNLOP","offers":[{"title":"Default Title","offer_id":67544889852139,"sku":"03120630","price":142.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5738520.png?v=1790649835"},{"product_id":"dunlop-geomax-factory-spec-rear-tire-110-90-19-62m-part-number-45276501","title":"Dunlop Geomax Factory Spec Rear Tire 110\/90-19, 62M, Part Number 45276501","description":"Tire - Geomax Factory Spec - Rear - 110\/90-19 - 62M\n\u003cp\u003eThe Dunlop Geomax Factory Spec rear tire is designed for motocross and off-road performance in soft terrain, including loamy soil, sand, and mixed packed-and-loose conditions. This 110\/90-19 tire features a 62M speed rating and is engineered to provide dependable grip, predictable handling, and improved control as track conditions become rougher. Manufacturer part number 45276501 and vendor part number 45276501 identify this Factory Spec model.\u003c\/p\u003e\u003cp\u003eIts proprietary ultra-high molecular mass compound uses extended polymer chains to increase bonding points with carbon molecules, creating a strong rubber compound that helps the knobs penetrate the ground more effectively. The tread design reduces knob deformation to support consistent handling and performance during aggressive off-road riding. A single-radius profile delivers controlled, responsive behavior, particularly when traction changes throughout the race.\u003c\/p\u003e\u003cp\u003eThe advanced apex on the Factory Spec casing provides increased support and responsiveness for higher speeds, harder landings, and demanding motocross conditions. The Dunlop Geomax Factory Spec rear tire is a suitable replacement for riders seeking enhanced traction and stability on compatible off-road motorcycles. Confirm the 110\/90-19 fitment, wheel compatibility, and motorcycle manufacturer requirements before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 110\/90-19 rear tire with a 62M speed rating\u003c\/li\u003e\n\u003cli\u003eModel: Geomax Factory Spec\u003c\/li\u003e\n\u003cli\u003eBrand: Dunlop\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 45276501\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 45276501\u003c\/li\u003e\n\u003cli\u003eTerrain: Designed for soft terrain, loamy soil, sand, and mixed packed-and-loose conditions\u003c\/li\u003e\n\u003cli\u003eCompound: Ultra-high molecular mass rubber compound promotes strong ground penetration and traction\u003c\/li\u003e\n\u003cli\u003eProfile: Single-radius profile provides controlled handling as track conditions deteriorate\u003c\/li\u003e\n\u003cli\u003eCasing Support: Advanced apex improves responsiveness and support for higher speeds and harder landings\u003c\/li\u003e\n\u003cli\u003ePerformance: Reduced knob deformation helps maintain handling and off-road performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DUNLOP","offers":[{"title":"Default Title","offer_id":67544889917675,"sku":"03131172","price":167.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5824902.png?v=1790649846"},{"product_id":"dunlop-geomax-factory-spec-rear-off-road-tire-120-90-19-66m-part-45276502","title":"Dunlop Geomax Factory Spec Rear Off-Road Tire, 120\/90-19, 66M, Part 45276502","description":"Tire - Geomax Factory Spec - Rear - 120\/90-19 - 66M\n\u003cp\u003eThe Dunlop Geomax Factory Spec rear tire is designed for off-road motorcycles competing in soft and mixed-terrain conditions. This 120\/90-19 tire has a 66M rating and is engineered to provide dependable traction, control, and stability across loamy soil, sand, mud, and tracks that combine packed and loose surfaces. Manufacturer part number 45276502 and vendor part number 45276502 identify this Factory Spec rear fitment.\u003c\/p\u003e\u003cp\u003eIts proprietary ultra-high molecular mass compound uses extended polymer chains to increase bonding points with carbon molecules, creating a highly durable rubber compound. This construction helps the knobs penetrate the ground more effectively while reducing knob deformation during aggressive riding. The result is consistent grip and predictable handling for motocross and other off-road applications where terrain and track conditions can change quickly.\u003c\/p\u003e\u003cp\u003eThe advanced apex design provides a larger apex for improved responsiveness and added support during higher-speed riding and harsher landings. A single-radius profile delivers controlled handling characteristics as the track becomes rougher, helping riders maintain confidence when conditions deteriorate. Install the Dunlop Geomax Factory Spec rear tire on a compatible off-road motorcycle using the vehicle manufacturer’s approved fitment specifications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 120\/90-19 rear motorcycle tire\u003c\/li\u003e\n\u003cli\u003eModel: Geomax Factory Spec\u003c\/li\u003e\n\u003cli\u003eBrand: Dunlop\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 45276502\u003c\/li\u003e\n\u003cli\u003eVendor part number: 45276502\u003c\/li\u003e\n\u003cli\u003eSpeed rating: 66M\u003c\/li\u003e\n\u003cli\u003eApplication: Off-road motorcycle rear fitment\u003c\/li\u003e\n\u003cli\u003eTerrain: Soft, loamy, sandy, muddy, and mixed packed or loose soil\u003c\/li\u003e\n\u003cli\u003eCompound: Ultra-high molecular mass rubber compound for strong ground penetration and durability\u003c\/li\u003e\n\u003cli\u003eTread design: Reduced knob deformation for improved handling and performance\u003c\/li\u003e\n\u003cli\u003eApex design: Advanced apex for responsive control and increased support during high-speed riding and hard landings\u003c\/li\u003e\n\u003cli\u003eProfile: Single-radius profile for predictable control on roughening track surfaces\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DUNLOP","offers":[{"title":"Default Title","offer_id":67544890081515,"sku":"03131173","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5824898.png?v=1790649862"},{"product_id":"dunlop-geomax-factory-spec-rear-tire-120-90-19-66m-bias-tt-part-number-45276502","title":"Dunlop Geomax Factory Spec Rear Tire 120\/90-19 66M Bias TT, Part Number 45276502","description":"\u003cp\u003eThe Dunlop Geomax Factory Spec rear tire is designed for riders who demand factory-level performance from their motocross motorcycle. This 120\/90-19 tire uses a bias construction and is rated 66M, providing a durable, responsive foundation for demanding race conditions. The tube-type design is intended for compatible motocross wheel assemblies and offers dependable performance across changing terrain.\u003c\/p\u003e\u003cp\u003eBuilt with Dunlop’s Factory Spec construction, this rear tire uses enhanced ply materials and a larger bead apex to improve tire feel, steering response, and sidewall support. These construction features help the tire manage hard landings, aggressive acceleration, and extreme impacts while maintaining predictable handling. The Geomax Factory Spec model is engineered for riders seeking a competition-focused rear tire with consistent response throughout the race.\u003c\/p\u003e\u003cp\u003eA proprietary rubber compound helps improve traction by reducing knob flex and increasing terrain penetration. The optimized single-radius profile supports predictable, consistent performance as the track becomes rougher and the surface deteriorates. The Dunlop Geomax Factory Spec rear tire, manufacturer part number 45276502, is suitable for compatible motocross motorcycles requiring a 120\/90-19 66M bias tube-type rear tire. Confirm the tire size, load and speed rating, wheel configuration, and motorcycle fitment before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance: Factory-level performance for demanding motocross applications\u003c\/li\u003e\n\u003cli\u003eConstruction: Enhanced ply materials and a larger bead apex improve tire feel, response, and sidewall support during extreme impacts\u003c\/li\u003e\n\u003cli\u003eCompound: Proprietary rubber compound reduces knob flex and improves terrain penetration for enhanced traction\u003c\/li\u003e\n\u003cli\u003eProfile: Optimized single-radius profile provides predictable, consistent handling as track conditions deteriorate\u003c\/li\u003e\n\u003cli\u003eSize and rating: 120\/90-19 rear tire with a 66M rating and bias tube-type construction\u003c\/li\u003e\n\u003cli\u003eBrand and part number: Dunlop Geomax Factory Spec, manufacturer and vendor part number 45276502\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DUNLOP","offers":[{"title":"Default Title","offer_id":67578125058283,"sku":"873-2037","price":213.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/dd23-698b7287312e3.png?v=1790833189"},{"product_id":"dunlop-geomax-factory-spec-rear-tire-110-90-19-62m-bias-tt-part-number-45276501","title":"Dunlop Geomax Factory Spec Rear Tire 110\/90-19 62M Bias TT, Part Number 45276501","description":"\u003cp\u003eThe Dunlop Geomax Factory Spec rear tire is engineered for riders seeking factory-level performance on motocross and off-road tracks. This 110\/90-19 tire uses a bias construction with a 62M load and speed rating, making it a dependable choice for compatible motorcycles that demand responsive handling, strong traction, and durable performance in challenging terrain. The tube-type design is identified by the TT specification.\u003c\/p\u003e\u003cp\u003eFactory Spec construction uses enhanced ply materials and a larger bead apex to improve tire feel and steering response while adding sidewall support for handling extreme impacts. A proprietary rubber compound helps increase traction by reducing knob flex and improving terrain penetration, allowing the rear tire to maintain controlled drive across changing track conditions.\u003c\/p\u003e\u003cp\u003eThe optimized single-radius profile is designed to provide predictable, consistent performance throughout a race, including as the track becomes rougher and more deteriorated. Verify motorcycle fitment, wheel size, tire clearance, and manufacturer recommendations before installation. This Dunlop Geomax Factory Spec rear tire is supplied under manufacturer part number 45276501 and is intended for applications compatible with a 110\/90-19, 62M bias, tube-type rear tire.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance: Factory-level performance for motocross and off-road riding applications\u003c\/li\u003e\n\u003cli\u003eConstruction: Enhanced ply materials and a larger bead apex improve tire feel, response, and sidewall support during extreme impacts\u003c\/li\u003e\n\u003cli\u003eCompound: Proprietary rubber compound reduces knob flex and improves traction and terrain penetration\u003c\/li\u003e\n\u003cli\u003eProfile: Optimized single-radius profile delivers predictable and consistent performance as track conditions deteriorate\u003c\/li\u003e\n\u003cli\u003eFitment: Rear tire designed for compatible motorcycles requiring a 110\/90-19, 62M bias, tube-type tire\u003c\/li\u003e\n\u003cli\u003eBrand: Dunlop\u003c\/li\u003e\n\u003cli\u003eModel: Geomax Factory Spec\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 45276501\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 45276501\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DUNLOP","offers":[{"title":"Default Title","offer_id":67578125648107,"sku":"873-2036","price":210.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/dd23-698b7287312e3_261f1d8d-8900-4b48-950a-089bbd26e169.png?v=1790833201"},{"product_id":"dunlop-geomax-factory-spec-front-tire-80-100-21-51m-bias-tt-part-number-45276500","title":"Dunlop Geomax Factory Spec Front Tire 80\/100-21 51M Bias TT Part Number 45276500","description":"\u003cp\u003eThe Dunlop Geomax Factory Spec Front Tire is designed for motocross and off-road riders who demand factory-level performance and dependable handling in challenging terrain. This 80\/100-21 tire uses a bias construction with a 51M load and speed rating, making it a strong choice for compatible front-wheel applications. Manufacturer part number 45276500 and vendor part number 45276500 identify this Dunlop replacement tire.\u003c\/p\u003e\u003cp\u003eFactory Spec construction uses enhanced ply materials and a larger bead apex to improve front-tire feel, steering response, and sidewall support. These features help the tire manage hard landings, ruts, rocks, and other extreme impacts while maintaining predictable control. The proprietary rubber compound is engineered to reduce knob flex and improve terrain penetration, helping the tread maintain traction across changing motocross and off-road surfaces.\u003c\/p\u003e\u003cp\u003eAn optimized single-radius profile delivers consistent, predictable performance throughout a race, including as the track becomes rougher and deteriorates. The Dunlop Geomax Factory Spec Front Tire is intended for compatible motorcycles requiring an 80\/100-21 front tire with a bias, tube-type design. Confirm motorcycle fitment, rim requirements, intended terrain, and manufacturer recommendations before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePerformance: Factory-level performance for demanding motocross and off-road riding\u003c\/li\u003e\n\u003cli\u003eConstruction: Enhanced ply materials and a larger bead apex improve tire feel, steering response, and sidewall support\u003c\/li\u003e\n\u003cli\u003eImpact Resistance: Reinforced sidewall support helps handle extreme impacts and hard landings\u003c\/li\u003e\n\u003cli\u003eRubber Compound: Proprietary compound reduces knob flex and improves traction through better terrain penetration\u003c\/li\u003e\n\u003cli\u003eProfile: Optimized single-radius profile provides predictable, consistent performance as track conditions deteriorate\u003c\/li\u003e\n\u003cli\u003eFitment: Front motorcycle tire for compatible applications requiring an 80\/100-21 bias, tube-type design\u003c\/li\u003e\n\u003cli\u003eIdentification: Dunlop Geomax Factory Spec, manufacturer and vendor part number 45276500\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DUNLOP","offers":[{"title":"Default Title","offer_id":67578129547499,"sku":"873-2035","price":175.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/dd23-698b7287312e3_a6777e16-0a1a-41ad-82df-19ee033ecfb0.png?v=1790833212"}],"url":"https:\/\/ctracingservices.com\/collections\/dunlop-geomax-factory-spec-motorcycle-tires.oembed","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}