{"product_id":"dirt-tricks-chromoly-steel-and-zirconium-rear-sprocket-for-yamaha-yz-models-49t-520-chromatic","title":"Dirt Tricks Chromoly Steel and Zirconium Rear Sprocket for Yamaha YZ Models - 49T 520 Chromatic","description":"\u003cp\u003eDesigned with durability and performance in mind, the Dirt Tricks Chromoly Steel and Zirconium Rear Sprocket (Part Number YZ-49-Z-C) is engineered specifically for Yamaha YZ series bikes from 2015 to 2022. Crafted by Dirt Tricks founder Greg Burns, this sprocket combines aerospace-grade steel, advanced heat treatments, and FEA stress analysis to deliver a product that withstands the rigors of off-road riding. Its innovative design ensures it lasts an entire season of tough riding while maintaining a weight comparable to aluminum sprockets for optimal performance. The sprocket’s unique minimalist appearance, coupled with its 2.5 times strength over stainless steel, offers riders a resilient and lightweight upgrade that enhances their bike’s drivetrain. \u003cbr\u003eFeatures: The sprocket is coated with Dirt Tricks Zirconium, which reduces friction by up to 50%, significantly increasing durability and efficiency. Its revolutionary design incorporates a lightweight construction without sacrificing strength, making it ideal for aggressive off-road use. The chromatic finish provides an appealing look while resisting corrosion, maintaining its sleek appearance over time. Backed by a two-year guarantee, the Dirt Tricks Rear Sprocket assures quality and longevity, making it a reliable choice for serious riders seeking durability, performance, and style in a single component.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned and patented by Dirt Tricks founder Greg Burns using aerospace steels, heat treatments, and FEA stress analysis\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBuilt to last an entire season of hard riding while being comparable in weight to aluminum sprockets\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAvailable in Diamond Black and Chromatic finishes, featuring revolutionary weight and color improvements\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eZirconium coating reduces friction up to 50%, enhances durability, and provides a striking appearance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed to be 2.5 times stronger than stainless steel with a minimalist design for optimal strength and aesthetics\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBacked by a two-year guarantee ensuring long-term reliability and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFits,\u003cbr\u003e\nYamaha WR250F 2001\u003cbr\u003e\nYamaha WR250F 2002\u003cbr\u003e\nYamaha WR250F 2003\u003cbr\u003e\nYamaha WR250F 2004\u003cbr\u003e\nYamaha WR250F 2005\u003cbr\u003e\nYamaha WR250F 2006\u003cbr\u003e\nYamaha WR250F 2007\u003cbr\u003e\nYamaha WR250F 2008\u003cbr\u003e\nYamaha WR250F 2009\u003cbr\u003e\nYamaha WR250F 2010\u003cbr\u003e\nYamaha WR250F 2011\u003cbr\u003e\nYamaha WR250F 2012\u003cbr\u003e\nYamaha WR250F 2013\u003cbr\u003e\nYamaha WR250F 2014\u003cbr\u003e\nYamaha WR250F 2015\u003cbr\u003e\nYamaha WR250F 2016\u003cbr\u003e\nYamaha WR250F 2017\u003cbr\u003e\nYamaha WR250F 2018\u003cbr\u003e\nYamaha WR250F 2019\u003cbr\u003e\nYamaha WR250F 2020\u003cbr\u003e\nYamaha WR250F 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