TRAXXAS X-MAXX Chrome steel Front/Rear Gear - 1pc - GPM STXM1200FR/G
1. Good chrome metal item quantity of hardness of 50. 2. 42 enamel spiral gear created from good chrome steel.3. After fast start brake stopping system system, it doesn't damage. The automobile nonetheless operate effortlessly. 4. simply use with spiral gear (STXM1200F/G1 and STXM1200R/G1). Maybe not suitable with stock low grade metal gears.