Note:
Please add lubricating oil, it can be reduce the friction between the metal gears, also the sound will be smaller when it is running.

The transmission gearbox housing and steel gears Compatible with MN82 MN78 1/12 RC Car
The mn78 gearbox gear made of high quality steel,the MN82 center gearbox housing made of high quality metal material,smooth and sturdy.
The steel gears replace the original plastic gears, Help to improve the overall performance of the RC car.
Easy to install,a great replacement part for the old or broken one.

Gearbox Housing Material :Aluminum Alloy
Gears Material:Steel
2 different gear teeth:28T, 23T(2P);
Steel Shaft Size: Approx. 4 x 61mm
Weight: 42g/Set

Package includes:
1 x Transmission Gear Set
1 x Transmission Gearbox Housing