After-Market Clutch Set, GY6 50cc QMB139

After-Market Clutch Set with a Ventilated Clutch Bell for QMB / GY6 50cc 4-stroke engines.

Specifications:

Clutch Bell Inner Diameter: 107mm
Clutch Bell Outer Diameter: 125mm
Pulley Outer Diameter: 118mm
Clutch Inner Diameter: 12mm
Uses 6901 RS bearing
Number of Splines (clutch bell): 22
Splined Inner Diameter (peak to peak): 11mm
Splined Inner Diameter (valley to valley): 12mm