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19-tooth heavy-duty pinion gear
Machined from hardened steel
Fits 3mm shafts
Includes set screw
Traxxas 3949X 19-tooth heavy-duty pinion gear is machined from hardened steel and fits 3mm shafts. Includes set screw. Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.