This pinion gear consists of hard anodized chrome metal, it's 48-53HRC certified. You may get the vitality you want for the automobile through changing pinion gear. With comparable outside gear, you are going to boost your pinion gear (within allowable range) to have different torque and rate. (the paid down the T count, the more expensive the torque; the larger the T count, the faster the rate.)
Specifications: 5mm Bore Diameter/0.53mm Modulus/40CR Metal Pinion
Applications: 1/10th SCT/Truck/Monster Vehicle (i.e. TRAXXAS 1/10 SLASH 4*4)