TRAXXAS X-MAXX Chrome metal right back Gear - 1pc - GPM STXM1200R/G1
1. Quality chrome steel product level of hardness of 50.2. 13 enamel spiral gear made from high-quality chrome metal.3. When the quick start brake stopping system system, it doesn't harm. The automobile but run effectively. 4. simply utilize with spiral main gear (STXM1200FR/G). Maybe not appropriate stock low grade metal gears.