JRL Part Clutch Arm &Pin Camshaft Bicycle Motorized Gas 49cc 60cc 80cc Engine Clutch Arm And Pin Camshaft Fits 49cc To 80cc Engine Bicycle Motorized Package Include:1 * Clutch Arm 1 * Pin Camshaft Clutch arm:7cm Pin camshaft:6cm Match original equipment exactly for a perfect fit, easy to install. Please check for the details and make sure this is the right one you need.