This aluminum front upper suspension arm is a direct-fit replacement for the Tamiya TT01 and TT01E chassis. It replaces the stock plastic arm with a stiffer aluminium component to give a firmer mounting point for steering knuckles and upper links, helping the front geometry stay stable under load and during minor impacts.
Installation is straightforward for anyone familiar with basic suspension service: remove the wheel hub and the original arm, move any pins or bushings across as needed, fit the aluminum arm into the stock mounting points, and confirm free movement of steering and suspension. Standard hobby hex drivers and pliers are all that are typically required.
Used as a tuning item, this arm reduces flex versus the plastic original, which can help maintain camber and toe when you alter roll stiffness, spring rates, or anti-roll bar settings on-track or during practice sessions.
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