Protaper 033207 PTR Rear Sprocket - Aluminum suspension-bearings-king-pins Fits all standard 4

Fits all standard 4

Fits through the factory bumper cut-outs (bumper has notches on the bottom)

Thermo Fit Liner

AST Suspension is a monotube design

Bead blasted anodized finish for maximum strength and durability

Protaper 033207 PTR Rear Sprocket - Aluminum suspension-bearings-king-pins Fits all standard 4Race 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