4M-512UD Hardened Steel Overdrive Underdrive Transmission Gears For 1/18 RC Crawler
INJORA Hardened Steel Overdrive Underdrive Transmission Gears for 1/18 RC Crawler TRX4M Upgrade
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