INJORA Overdrive 9% 22/12T Alloy Steel Helical Gears for 1/18 TRX4M

INJORA Overdrive 9% 22/12T Alloy Steel Helical Gears for 1/18 TRX4M 1 drevsett for 1 aksel, 9% overrgiring Compatible with: 1/18 TRX4M stock axles INJORA TRX4M axles Note: Each axle requires 1 set of gears (a ring gear and a pinion gear). Overdrive the front(or underdrive the rear) will pull you faster in the front, it allows you to climb better and reduce rollover. Do not swap gears from different gear sets! They are different even if they have the same number of tooth. If you have some free play between gears, you can add a shim or 2 between pinion gear and bearing to push pinion teeth deeper into ring gear teeth. 22T/12T Overdrive Gears: Increase speed approx 9% Features: Replace the stock plastic gears, fit TRX4M front or rear axles Helical gears offer greater strength and smooth operation than the factory spur gears Less vibration, less noise, less wear then stock gears CNC machined 20CrMo Alloy Steel Gears Specifications: Material: 20CrMo Alloy Steel Weight: about 7g/set