Traxxas REVO 3.3 Transmission & Gearing

TRAXXAS

Traxxas Primary Shaft, 5393

This is the Primary Shaft (1st Speed) & One-Way Bearing for the REVO and other specified nitro vehicles from Traxxas.

TRAXXAS

Traxxas OptiDrive Electric Shift Module Revo, 5398

This is the replacement Optidrive Electronic Shifting Module for the Revo. This is the device that prevents reverse shifting while the vehicle is in motion.