RENTHAL Sprocket - Yamaha - 37 Tooth 437U-520-37GBSI Corp Delta Hat Highly convenient and time-saving slip-design

Highly convenient and time-saving slip-design with elasticated hems and silicon printing to prevent slippage and to help keep the protector securely positioned

Derby cover gasket also included

FITMENT: Yamaha R1 2009-2014

The easy access to the screen is great for riders that use their bikes for Closed Course and O

RENTHAL Sprocket - Yamaha - 37 Tooth 437U-520-37GBSI Corp Delta Hat Highly convenient and time-saving slip-designCNC machined from a specially enhanced 7075 T6 aluminum alloy Machined self cleaning mud grooves at each tooth to help increase wear resistance All rear sprockets are the ultralight design, making them 66 percent lighter than steel, yet incredibly durable