RK Aluminum Race Chain and Sprocket Kit - Yamaha YZF-R1 -'09-'14 4107-098DG JL All components heat treated using

All components heat treated using RK's exclusive Heat Induction Transfer process

The polycarbonate

while being quick and easy to use

adds to performance and versatility

RK Aluminum Race Chain and Sprocket Kit - Yamaha YZF-R1 -'09-'14 4107-098DG JL All components heat treated usingAluminum Race Chain and Sprocket Kit Yamaha YZF R1 '09 '14 520 Aluminum Race kit features RK*s premium, lightweight RX or XW ring sealed racing chain with a gold finish, Kit includes a premium Driven? 7075 T6511 lightweight Aluminum black hard anodized rear sprocket paired with Driven? C45 steel case hardened and quenched front sprockets, Kit includes one tooth smaller than stock front sprocket, RK*s 520 Aluminum Race Kit combines the enhanced