This pinion gear contains hard anodized chrome metal, it's 48-53HRC certified. You are getting the vitality you'll need the automobile through changing pinion gear. With comparable outside gear, you can raise your pinion gear (within allowable range) to possess different torque and price. (the paid down the T count, the higher high priced the torque; the larger the T count, the faster the price.)
Specification: Bore Diameter: 5mm / Modulus: 0.8mm / steel Pinion: 40CR
Applications: 1/8th monster like E-MAXX, E-REVO, SUMMIT, 1/10th SLASH 4*4 etc.