PINION GEAR 21-T 32-P HVY DUTYGear, 21-T pinion (32-p), heavy duty (machined, hardened steel) (fits 3mm shaft)/ set screw Part 3951X UPC 020334395191Traxxas 3951x Gear 21-T pinion 32p heavy duty machined hardened steel TRA1SKU: 3951X$5.95PriceQuantityAdd to CartBuy Now