Item Type: RC Car Gear Set Material: Steel Color: Black Gear Modulus: M1.5 Number of Main Gear Teeth: 35T Number of Motor Pinion Gear Teeth: 11T, 12T, 13T, 14T (one each) Applicable Model: Replacement for TRAXXAS 1/5 X-Maxx 6S, for X-Maxx 8S RC car Package List 1 x Spur Gear 4 x Motor Pinion Gear 1 x Wrench 3 x Screw 4 x Set Screw 1Fine Workmanship: Spur gear motor pinion gears are fine machined, and good machining makes the gears roll smoothly. 2Premium Material: RC car gear set is made of premium steel with stable rolling, high wear resistance and reliable power handling. 3High Performance: The speed of the RC car gear depends on the gear ratio. With pinions of different teeth, you have more options in terms of gear ratio. 4Ideal Replacement: The surface of the RC car gear is treated with rust protection, ideal replacement for TRAXXAS 1/5 XMaxx 6S, for XMaxx 8S RC car. 5Simple Installation: RC car gear set is easy to install and easy to operate, with 11T, 12T, 13T, 14T motor pinion gear included in the package.