520 Pitch - Superlite RST Series Black Steel Rear Race Sprocket For Dymag Wheels-40 tooth 2017-2023 By fitting a double seal

By fitting a double seal

- For use with 520 pitch chain

Number of Pistons - 4

Carbonin Avio Fibre Pro Seat Foam Long 2015-2019 Yamaha YZF-R1

for BMW S 1000 RR 2015-2018 and HP4

520 Pitch - Superlite RST Series Black Steel Rear Race Sprocket For Dymag Wheels-40 tooth 2017-2023 By fitting a double sealLightweight steel sprocket machined down as far as can be for maximum weight saving and strength! Fitment for Dymag wheel only 40tooth The lightest steel rear sprocket on the market (43 Tooth Rear Weighs 1. 6 lbs) Exclusive tooth profile for extended mileage output New computer generated RST design combines huge weight savings with exceptional strength Induction hardened steel with a black zinc plated finish Multiple tooth sizes available