This pinion gear consists of difficult anodized chrome metal, it's 48-53HRC certified. You can get the power you need for your automobile through changing pinion gear. With similar outside gear, it is possible to change your pinion gear (within allowable range) to obtain different torque and speed. (the reduced the T count, greater the torque; the bigger the T count, the quicker the speed.)
Specifications: 5mm Bore Diameter/0.53 Modulus/40CR Steel Pinion
Applications: 1/10th SCT/Truck/Monster Truck (i.e. TRAXXAS 1/10 SLASH 4*4)
