INJORA Stainless Steel 40.3:1 Low Range Transmission Gear Pinion Set for 1/18 RC Crawler Car TRX4M Upgrade (4M-36) Note: Don't forget to grease the gears!!! Suit For: 1/18 TRX4M Features:
Reduce the speed by approx 59%
CNC machined
Made of high quality stainless steel
Ultra-low 40.3:1 reduction ratio for maximum rock-climbing power and unstoppable torque
Includes all transmission gears and a 11-tooth motor pinion