INJORA 22T/12T (OVERDRIVE 9%) Alloy Steel Helical Gears For 1/18 TRX4M Silicone Differential Oil 4 x Flanged M4 Lock

4 x Flanged M4 Lock Nut

For the uninitiated

allowing for easy removal and installation in just seconds while ensuring a secure and strong lock in place

The other end plugs directly into any Castle waterproof

INJORA 22T/12T (OVERDRIVE 9%) Alloy Steel Helical Gears For 1/18 TRX4M Silicone Differential Oil 4 x Flanged M4 LockINJORA Overdrive Underdrive Alloy Steel Helical Gears for 1 18 TRX4M Suit For: 1 18 RC crawler TRX4M 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,