Mugen Mod 1 Pinion Gear. These pinion gears are available in a variety of tooth count options to get the gear ratio of your ECO vehicle dialed for any track condition.
Compatibility:
- Mugen MBX6E ECO
- Mugen MBX6T
- Mugen MBX7R ECO
- Mugen MBX7TE
- Mugen MBX7TR ECO
- Mugen MBX8 ECO
- Mugen MBX8TE