This pinion gear consists of difficult anodized chrome metal, it's 48-53HRC certified. You may get the energy you want for your vehicle through changing pinion gear. With the same external gear, you are able to improve your pinion gear (within allowable range) to obtain different torque and speed. (The lower the T count, greater the torque; the higher the T count, the faster the rate.)
Specifications: 5mm Bore Diameter/0.53mm Modulous/40CR Steel Pinion
Appplications: 1/10th SCT/Truck/Monster Truck (in other words. TRAXXAS 1/10 SLASH 4*4)
