22 splines inside the clutch bell; Assembly Comes with 2000RPM Clutch Springs OD of bell: 117mm, OD of pulley: 119mm Pulley Needle Bearing: HK172518RS ID of bearing in clutch shoe assy: 12mm (6901RS) Please Note: The exact performance of upgrade parts will be affected by many other factor
1.New Products with High Quality2.Replacement for GY6 50cc -100cc stock clutch assembly3.Fits Most of Chinese Made Scooter, ATV, Dirt Bike, Go-Kart,Quad. Such as TaoTao Buyang Coolsport Lifan Tank SUNL Baja Kazuma JCL YERF-Dog