Traxxas 8279 - TRX-4 Differential- & Piniondrev Std (11/34T)
This is a replacement stock differential ring and pinion gear set for the Traxxas TRX-4.Package contains one ring gear and one pinion gear.
Gear Options:
- Underdrive: 428288
- Standard (upgrade hardened steel): 428279R
- Overdrive: 428287