Injora Hardened Steel Transmission Gears For Stock 1/18 Trx4m (Option: Overdrive Gears: 12.2/1)

INJORA Hardened Steel Overdrive Underdrive Transmission Gears for 1/18 RC Crawler TRX4M Upgrade
Only compatible with Stock 1/18 TRX4M
Features:
Hardened steel materials
12.2/1 overdrive gears increase speed approx 36%
21.4/1 underdrive gears decrease speed approx 22%
Specifications:
Material: Steel
Overdrive Gears: 12.2/1
Underdrive Gears: 21.4/1
Weight: 13g (0.46oz)
Package List:
1 Set Transmission Gears