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Machined hardened steel 17-tooth 32-pitch pinion gear for 3 mm motor shafts. A direct bolt-on for Traxxas vehicles using 32-pitch gearing. Swapping pinion tooth count is the easiest way to adjust your gear ratio — more teeth for top speed, fewer teeth for acceleration and torque.
Fits 3 mm motor shafts. Consult your vehicle's manual or parts diagram to verify pinion compatibility and recommended gear ratios before ordering.
Traxxas PN: 3947X · Retailer PN: TRA3947X · JackWagon SKU: TRX-3947X · UPC: 020334394798





