Increase the wheel speed of your TRX-4 with the Traxxas 8287 TRX-4 12T 33T Differential Machined Overdrive Ring and Pinion Gear Set. This overdrive ring and pinion gear set is a heavy-duty gear upgrade compared to the stock gear ratio. It's more durable than the stock parts and is better suited to high power ESC/Motor systems. A popular tuning option is to overdrive the front axle, and underdrive the rear axle. This can be achieved using a variety of gear combinations. You can run standard in the front, and underdrive in the rear, overdrive in the front and standard in the rear. Or for the most dramatic impact, run overdrive in the front, and underdrive in the rear. Don't settle when it comes to replacement parts, the TRX-4 with the Traxxas 8287 TRX-4 12T 33T Differential Machined Overdrive Ring and Pinion Gear Set has you covered in quality and reliability.
