15-21 for Yamaha YZF-R1 M SUNSTAR SPROCKETS Rear Sprocket 43-Tooth Gold 5-348543 Lightweight minimal construction with 360°

Lightweight minimal construction with 360°

MPN: PZ3200VERDE

Increased visibility and style with LED running

MPN: ACSS-5

Size: 32X11-15

15-21 for Yamaha YZF-R1 M SUNSTAR SPROCKETS Rear Sprocket 43-Tooth Gold 5-348543 Lightweight minimal construction with 360°Manufacturer: Sunstar MPN: 5 348543 Title: Aluminum Works Triplestar Rear Sprockets Size: Option: 520 43T Color: Natural Use only the highest quality aerospace grade 7075 T6 aluminum for high strength and light weight and computer designed weight reduction holes are included for even less weight Exclusive tooth and valley design gives you 24% more chain contact area for a better transfer of power to the rear wheel and a larger area to distribute the