Glixal High Performance Racing Clutch Assy with Clutch Bell for GY6 49cc 50cc 139QMA 139QMB Engine Scooter Moped ATV Go-Kart
- Assembly Comes with 2000RPM Clutch Springs.
- ID of bearing in clutch shoe assy: 12mm (6901RS).
- Please Note: The exact performance of upgrade parts will be affected by many other factor.