{"product_id":"dirt-tricks-50t-520-rear-sprocket-chromoly-steel-and-zirconium-black-ktm-husqvarna","title":"Dirt Tricks 50T 520 Rear Sprocket, Chromoly Steel and Zirconium, Black, KTM\/Husqvarna","description":"\u003cp\u003eThe Dirt Tricks KTM-50-D-B rear sprocket is a 50-tooth, 520-chain sprocket designed for KTM and Husqvarna off-road motorcycles. Manufactured by Dirt Tricks, this black sprocket combines chromoly steel construction with a zirconium coating to provide a durable, lightweight alternative to conventional aluminum and steel sprockets. Its fitment-specific design supports reliable drivetrain performance for motocross, enduro, trail, and other demanding riding applications.\u003c\/p\u003e\u003cp\u003eDeveloped using aerospace-grade steel knowledge, advanced heat-treatment processes, and finite element analysis, the Dirt Tricks rear sprocket is engineered to withstand hard riding and extended use. The minimalist design helps reduce unnecessary weight while maintaining the strength required for high-load off-road conditions. Its zirconium coating reduces friction by up to 50 percent, improves wear resistance, and provides a distinctive black finish.\u003c\/p\u003e\u003cp\u003eFeature: 50-tooth rear sprocket for 520 chain systems\u003cbr\u003eFeature: Chromoly steel and zirconium construction\u003cbr\u003eFeature: Black finish with reduced-friction coating\u003cbr\u003eFeature: Designed for KTM and Husqvarna motorcycle fitment\u003cbr\u003eFeature: Up to 2.5 times stronger than stainless steel\u003cbr\u003eFeature: Lightweight minimalist design\u003cbr\u003eFeature: Backed by Dirt Tricks' two-year wear guarantee\u003c\/p\u003e\u003cp\u003eThe Dirt Tricks KTM-50-D-B is built for riders who need dependable sprocket life without the added weight of many traditional steel designs. Verify the motorcycle model, year, chain size, and original sprocket specifications before installation to confirm fitment. Dirt Tricks manufactures this rear sprocket for serious off-road use and supports it with a two-year guarantee: if normal riding wears it out during the coverage period, Dirt Tricks will replace it.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e50-tooth rear sprocket for 520 chain systems\u003c\/li\u003e\n\u003cli\u003eChromoly steel and zirconium construction\u003c\/li\u003e\n\u003cli\u003eBlack finish with reduced-friction coating\u003c\/li\u003e\n\u003cli\u003eDesigned for KTM and Husqvarna motorcycle fitment\u003c\/li\u003e\n\u003cli\u003eUp to 2.5 times stronger than stainless steel\u003c\/li\u003e\n\u003cli\u003eLightweight minimalist design\u003c\/li\u003e\n\u003cli\u003eManufactured by Dirt Tricks\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: KTM-50-D-B\u003c\/li\u003e\n\u003cli\u003eVendor part number: 254-130150B\u003c\/li\u003e\n\u003cli\u003eBacked by Dirt Tricks' two-year wear guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIRT TRICKS","offers":[{"title":"Default Title","offer_id":67551150899435,"sku":"254-130150B","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/e46b-5d8a35f4bc426.jpg?v=1790715078","url":"https:\/\/ctracingservices.com\/products\/dirt-tricks-50t-520-rear-sprocket-chromoly-steel-and-zirconium-black-ktm-husqvarna","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}