The Traxxas 2429 29‑Tooth Pinion Gear is an essential drivetrain component engineered to provide precise engagement with the spur gear, delivering reliable power transfer from your motor to the wheels. Built to exacting Traxxas OEM standards, this pinion gear is ideal for both replacement and performance tuning giving your RC vehicle smooth acceleration, controlled top‑end speed, and predictable handling on race day or everyday runs.