Compatibility: This product is compatible with Traxxass compatible with TRX-4 compatible with TRX-6 1/10 RC crawler vehicles.
Product function: Conveniently adjust the motor gears, improve power transmission and reduce the possibility of motor overheating(Not include Upper Spur Gear Cover)
Easy to install: Direct replacement without adjustment, perfect compatibility and high reliability.
Product material: This product is specially designed and made of aluminum, with a long service life and not easy to damage.
Note: Please confirm whether the above model is consistent with your needs.