This pinion gear is comprised of difficult anodized chrome metal, it's 48-53HRC certified. You can find the vigor you need the automobile through changing pinion gear. With comparable outside gear, you will enhance your pinion gear (within allowable range) to possess various torque and rate. (the reduced the T count, the greater amount of 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)