
Hoca Performance 50cc, 4-stroke QMB139 Clutch with Ventilated Clutch Bell with friction enhancing coating.
- Outer Diameter (clutch bell): 115mm
- Inner Diameter (clutch bell): 107mm
- Outer Diameter (shoes): 104mm
- Clutch Bell Inner Diameter (splines peak to peak): 11mm
- Clutch Bell Inner Diameter (splines valley to valley): 11.85mm
- Number of Splines (clutch bell): 22