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Upgrade your Honda CBR300R with the RK 1042-140EX chain and sprocket kit, designed for high-mileage performance and durability. This kit includes a premium DrivenĀ® C45 steel alloy rear sprocket with a black case-hardened finish, ensuring excellent wear resistance and longevity. The front sprocket is made from DrivenĀ® C45 steel, case-hardened and quenched to withstand the stresses of daily riding and aggressive throttle input. Built with OE gearing specifications, this OEM replacement kit maintains your motorcycle's original performance while providing enhanced durability.
Constructed from high-quality materials, the kit features a black finish that not only offers a sleek appearance but also adds an extra layer of corrosion resistance. The combination of case-hardened and quenched components ensures that both sprockets can endure the rigors of extended use, reducing the need for frequent replacements. Designed for easy installation, this kit seamlessly
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