Traxxas 5379x (13/37) on the right vs the stock 6779 (12/47). About to install in my recently built Stampede 4x4 kit. Also picked up the gear set for the rear (6879), and
Traxxas 5379X Differential Ring Gear and Pinion, Revo 3.3 : Toys & Games
Traxxas Stampede 4x4 1/10 Byggsats med Elektronik - Hobbyequipment
Traxxas 5379R DIff.-Kegelrad mit Ritzel vorne (spiral cut)