INJORA Alloy Steel Helical Axle Gears Overdrive Gears for 1/18 RC Crawler Redcat Ascent-18
Compatible with: 1/18 RC Crawler Redcat Ascent-18

If there are some play, you can put the rubber O rings between the gear and driveshaft. Put the shims between the gear and axle housing

Features:

Made of reinforced steel alloy
Replace the stock gears, fit front or rear axles
Helical gears offer greater strength and smooth operation than the factory spur gears
Less vibration, less noise, less wear than stock gears
10/20T gears do not change the speed, same as stock gears
12/20T overdrive gears increase speed approx 20%
8/20T underdrive gears decrease speed approx 20%

Specifications: