Protaper 033276 PTR Rear Sprocket - Aluminum riding-apparel-under-garments Work on all Pro-One triple

Work on all Pro-One triple trees and many others

or Turbo R

Fits 1/4in

Liquid-Cooled Heads

Protaper 033276 PTR Rear Sprocket - Aluminum riding-apparel-under-garments Work on all Pro-One tripleRace 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