Protaper 033397 PTR Rear Sprocket - Aluminum miscellaneous-dealer-items 2021 Polaris 850 PRO-RMK 155

2021 Polaris 850 PRO-RMK 155

1987-1995 Honda CR80R

1987-1995 Yamaha YZ125

2006-2009 Ski-Doo MX Z 550 X

Protaper 033397 PTR Rear Sprocket - Aluminum miscellaneous-dealer-items 2021 Polaris 850 PRO-RMK 155Race 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