zTraxxas 6450 Spur gear 50-tooth steel (wide-face)/ gear 20-T pinion (1.0 metric pitch) (fits 5mm shaft)/ set screw

Spur gear, 50-tooth, steel (wide-face)/ gear, 20-T pinion (1.0 metric pitch) 

(fits 5mm shaft)

The 50-tooth spur gear and 20-tooth pinion gear combo (1.0 metric pitch) is machined from solid steel with extra-wide steel teeth for ultimate power handling and durability. Traxxas spur gears let you fine-tune the performance of your Traxxas model. Changing gear ratios can help balance acceleration and top speed for different running conditions. Please consult your owner?s manual for more information on recommended gearing options for your specific model.