This is the Traxxas Overdrive Gear Set
The overdrive gear set for X-Maxx and XRT replaces the standard transmission gears with a 24-tooth input gear and 47-tooth output gear. The overdrive gear set...
This is the Traxxas X-Maxx 6S Differential Ring Gear. This can be used in the front or rear differential.Features
Hardened steel construction
Fits front or rear differential
Includes: Ring Gear