The Tamiya 15113 Rear Brake & Roller Set is a practical upgrade for Mini 4WD racers aiming to tighten handling and reduce off-line incidents. The kit includes brake pads that mount under the rear bumper to slow the car on raised sections, plus friction rollers that help keep steady contact with the track during fast sections.
These parts are useful when dialing in a race setup or preventing rollouts on uneven lanes. The components provide a simple, adjustable way to improve handling without complex modifications, making them suitable for experienced racers and hobbyists alike.
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