RK Chain Kit -'15-'23 Yamaha YZF-R1 (Quick Acceleration)

Kit includes a premium Driven® C45 steel alloy black case hardened rear sprocket paired with Driven® C45 steel case hardened and quenched front sprocket RK’s 520 Steel Quick Acceleration Race Kit combines the enhanced performance of race gearing and durability of steel components Kit includes a one-tooth-smaller-than-OE front sprocket Kit Specs Product Name Chain and Sprocket Kit Color/Finish Natural Chain Type 520 GXW Front Sprocket Tooth Count 15 Rear Sprocket Tooth Count 41 Units Kit