0 Rear JT Sprocket Rear Sprocket Aluminium 52/520 Orange JTA897.52ORG For KTM XC-W 125 2017-2019. The Rear Sprocket is a vital component of your XC-W 125's drivetrain. It works in tandem with the front Sprocket and chain to transfer power from the engine to the Rear wheel, propelling your KTM forward.
