RENTHAL Rear Sprocket - Orange - 46 Tooth 441U-520-46GPOR Supertech M8/Supertech M10 Helmet Chin Vent Frame This is the absolute best

This is the absolute best system Superbike pipe available for the Yamaha R1

Designed to keep the shorts positioned while riding for ease in movement and flexibility Main shell constructed from an advanced stretch fabric

3D mesh textile with open cell foam for improved air circulation and comfort

wrench-off removal (where applicable)

Extended bushings to reduce friction between outer and inner link plates

RENTHAL Rear Sprocket - Orange - 46 Tooth 441U-520-46GPOR Supertech M8/Supertech M10 Helmet Chin Vent Frame This is the absolute bestCNC machined from a specially enhanced 7075 T6 aluminum alloy Machined self cleaning mud grooves at each tooth to help prevent mud buildup and increase wear resistance Ultralight design is 66% lighter than steel, yet incredibly durable