The Tamiya 40503 Aluminum Pinion Gear (14T) is a straightforward upgrade for drivers wanting steady performance across dirt and mixed surfaces. Its aluminum construction keeps weight low while maintaining dependable power transfer.
The 14T choice gives a consistent balance of acceleration and speed suitable for many off-road setups. It helps the vehicle stay tractable when conditions vary around a track.
Made from sturdy aluminum, the Tamiya 40503 maintains a light rotating mass and resists common wear. That makes it a practical swap for frequent running without compromising agility.
The pinion suits many Tamiya-compatible motors and is installed with basic hand tools. Confirm your motor shaft diameter and spline type for a good fit and correct gear mesh.
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