1、Long Lasting: 11T pinion gear is made of steel material, durable, more robust, stable and reliable, better control of your remote control car. 2、Function: Effectively improve the performance of the RC car, and reduce the probability of gear false position and tooth sweep, and the gear meshing reduces the inclination of the transmission system. 3、Stable Performance: A more efficient power transmission system provides a smoother ride and increases the driving force of the remote control car. 4、Simple Operation: Light weight design does not increase the burden of remote control car, solid and stable structure, not easy to deformation, easy installation. 5、11T Pinion Gear: An ideal replacement for old or damaged originals, is suitable for ZD Racing 9116 9020 9071 9205 9072 08421 08423 08425 08427 MT8 1/8 RC cars. Item Type: 11T Pinion Gear Material: Steel Weight: Approx. 25g / 0.9oz Color: Silver Number Of Teeth: 11T Hole Diameter: 4mm / 0.2in Shaft Diameter: 8mm / 0.3in Product Length: 26mm / 1.0in Suitable: for ZD Racing 9116 9020 9071 9205 9072 08421 08423 08425 08427 MT8 1/8 RC Car 2 x 11T Pinion Gear Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia