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!!!
These gear sets have the same pinions as the ones on our 180 motors.
Compatible with: 1/18 TRX4M, also compatible with INJORA 370 transmission
Features:

40.3:1 Underdrive Gear Set: Decrease speed approx 59%
16.61:1 Gear Set: As stock, do no change speed
9.7:1 Overdrive Gear Set: Increase speed approx 71%
24.4:1 Underdrive Gear Set: Decrease speed approx 32%
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

Specifications:

Part Number: 4M-36
Material: Stainless Steel
Reduction Ratio: 40.3:1, 16.61:1, 9.7:1, 24.4:1
Motor Pinion: 11T
Weight: 15g (0.53oz)

Package List:
1 Set Transmission Gears