Thunder Innovation Ultimate Flow Vented Clutch Bell

This is an Thunder Innovation 17 tooth ultimate flow vented clutch bell.These clutch bells are made of hardened steel and tooth are precision cut, providing you with best performance with ultimate flow . The clutch bell is installed over the clutch shoes and will engage when the engine rpm's increase, allowing the engines power to transfer to the center spur gear and the rest of the drive train.

A clutch bell with fewer teeth : Provide increased bottom end acceleration with reduced top end speed, which is good for smaller technical tracks.

A clutch bell with more teeth : Will increase top end speed, at the expense of reduced bottom end acceleration, which is better suited to larger flowing tracks. Includes two rubber

Come with : 2 x  5x11x4mm Thunder bearings.

These vented clutch bells are available from 13T to 17T