Treal Hobby (X003J67MXB) Steel 13T/33T Overdrive Differential Gears for Traxxas TRX-4

Treal Hobby Traxxas TRX-4 Overdrive Ring and Pinion Gear Set This optional overdrive axle gear set is intended for use with all Traxxas TRX-4 models. This gear set provides an overdrive gear ratio from the ring and pinion gears, rather than the portal box for enhanced crawling performance. Package includes one set of overdrive gears.