Traxxas Clutch Bell, 17T:SLY (TRA5217)

Traxxas clutch bells are made from durable steel for long-lasting performance. Use them to adjust the final drive ratio for added tuning benefits. The out-of-the-box clutch bell gear is a 15-tooth for the Revo and Slayer. (requires 5x11x4mm ball bearings part #TRA4611)