This pinion gear consists of hard anodized chrome steel, it is 48-53HRC certified. You can get the power you will need the automobile through changing pinion gear. With the same outside gear, you will boost your pinion gear (within allowable range) for various torque and price. (the paid off the T count, greater the torque; the more high priced the T count, the faster the rate.)
Specification: Bore Diameter: 5mm / Modulus: 0.8mm / metal Pinion: 40CR
Applications: 1/8th monster including E-MAXX, E-REVO, SUMMIT, 1/10th SLASH 4*4 an such like.