Sunstar Rear Sprocket Steel 42t For Yamaha Yzf-r1 & Yzf-r1m

Crafted from durable 1045 high-carbon steel, this sprocket is heat treated to enhance strength and wear resistance, ensuring long-lasting performance under demanding riding conditions. Its precision-engineered design includes computer-generated weight reduction holes, which help improve overall bike agility without compromising durability.