Protaper 033398 PTR Rear Sprocket - Aluminum control-steering-stem-bearings 2017-2021 Beta 390 RR Race

2017-2021 Beta 390 RR Race Edition

D Dirt Star Original Rims are a Great Value in a High Quality Race Rim

2011 Polaris Sportsman 550 EPS Browning LE

Silver zinc-plated

1991 Ski-Doo Formula Plus X

Protaper 033398 PTR Rear Sprocket - Aluminum control-steering-stem-bearings 2017-2021 Beta 390 RR RaceRace Spec (RS) Rear Sprockets feature our revolutionary Angled Mud Groove. This exclusive design creates a self cleaning effect during operation, shedding away mud that would otherwise lead to horsepower loss and sprocket wear. With their precise CNC machining and unique layout, these grooves also allow an increase in tooth surface area of up to 40% over competing sprockets. As a result, contact with the chain is significantly improved, leading to a