The Traxxas Idler Gear 30‑tooth/Gear Shaft is a rugged, high-quality replacement designed to strengthen your RC truck’s transmission and keep power flowing smoothly under load. This 30-tooth hardened-steel idler gear and shaft provide durable performance and efficient power transfer in Magnum 272™ transmissions, making them ideal for both maintenance and performance upgrades. It installs easily as a direct OEM replacement and helps ensure reliable drivetrain operation during aggressive runs and high-torque use. This idler gear is compatible with a wide range of Traxxas 1/10-scale vehicles that use the Magnum 272 or 272R transmission system — including Bandit, Bandit VXL, Drag Slash, Rustler, Rustler VXL, Slash 2WD (and its variants), Slash Late Model, Slash Modified, Slash VXL 2WD, Stampede, and Stampede VXL — so you can confidently rebuild or improve your machine with genuine performance parts.