• Transfer Power: Motor pinion gear meshes with the main gear, and drives the main gear by rotating the motor gear, which can maximize the transfer of power to the wheel, reduce friction and energy loss, and improve transmission efficiency and vehicle performance
• Optimize Transmission Ratio: Hot racing pinion gear optimizes the transmission ratio to adjust the speed and torque of the vehicle in a timely manner, and select a more suitable traction, so that your RC car can perform better whether it is climbing or rough terrain, flat terrain and high-speed operation
• Hardened Steel: RC Cars pinion gear is made of 45# hardened steel, which can withstand higher loads and pressures, reduce the possibility of wear and gear peeling, and have better heat dissipation, effectively reduce overheating caused by long-term use, safe and reliable
• Widely Applicable: Motor pinion gear fit for Traxxas TRX-4 TRX-6 Rustler Slash Stampede Raptor 4x4 and 4x4 VXL remote control model car, replace 3943X, the items are also suitable for RC of the same size, let you enjoy the passion and joy of remote control toy racing car
• DIY Perfect RC: The package includes: 2 x 13-Tooth 32 Pitch Motor Pinion Gears, 2 x Setting Screws, the item can update your gears to create your own perfect remote control model car and make your RC more expressive