TRAXXAS X-MAXX Chrome metal Front/Rear Gear - 1pc - GPM STXM1200FR/G
1. Good chrome steel product number of hardness of 50. 2. 42 enamel spiral gear produced from good chrome steel.3. Following quick start brake stopping system system, it generally does not harm. The auto nevertheless run effortlessly. 4. simply usage with spiral gear (STXM1200F/G1 and STXM1200R/G1). Maybe not suitable with stock low grade steel gears.