Universal Parts 50cc Clutch Assembly | 139QMB 12.5x2.25 tube-free air retention improves ride

tube-free air retention improves ride quality and significantly reduces the risk of pinch flats

clean the backside of the headlight lens and the surrounding area

Polini variators modify the pulley ratio on the belt obtaining a shorter gear for starting acceleration and a taller gear to increase the maximum speed of your scooter

this CNC-machined aluminum unit is built to survive crashes and extreme heat

Honda Lead (68ccm Malossi Gußzylinder)

Universal Parts 50cc Clutch Assembly | 139QMB 12.5x2.25 tube-free air retention improves rideReplace a worn or slipping clutch on your QMB139 powered 50cc scooter with this Universal Parts clutch assembly. This is the clutch only clutch bell not included. Uses a standard 6901 RS bearing and fits the most common 50cc 4 stroke horizontal engine platforms including Genuine Buddy 50, Roughhouse 50, Kymco, Schwinn, and many others. Clutch assembly only clutch bell not included Pulley outer diameter: 118mm Clutch inner diameter: 12mm Shoe outer