[Optimize Transmission Ratio] Heat race spur gear optimizes transmission ratio, adjusts vehicle speed and torque in a timely manner, selects more suitable traction force, so that your RC car can perform better whether climbing slopes or rough terrain, flat terrain or high-speed driving
[Compatible with] Spur gear with motor pinion gear Compatible With Traxxas 1/10 Maxx 1/5 X-Maxx 1/10 E-REVO 2.0 VXL 1/7 XO-1 remote control model car,the items are also suitable for RC of the same size
[Package included]1 x 50T 1 Mod Spur Gear, 1 x 20T 1 Mod Pinion Gear, 1 x Setting Screws, 3 x Round Head Screws
[Excellent Material] The main spur gear with small gears is made of 45 # hard steel, which can withstand higher loads and pressures, reduce the possibility of wear and gear peeling, have better heat dissipation, effectively reduce overheating caused by long-term use, and is safe and reliable
[Note] Please check the model of the replacement parts and the applicable machine type before purchasing to ensure correct installation. If you have any questions, please leave us a message