This aluminum front upper suspension arm is an RC-scale replacement part intended for use on Tamiya TT01 and TT01E chassis. It replaces the stock plastic arm to provide a firmer mounting point for steering knuckles and upper links, helping retain geometry under load during handling adjustments or light impacts.
Installation is straightforward for those familiar with basic drivetrain and suspension work: remove the wheel hub and existing arm, transfer any required pins or bushings, fit the aluminum arm, and verify free movement of the suspension and steering. No special tools beyond standard hobby hex drivers and pliers are required for routine swap tasks.
As a tuning component the arm contributes to a more consistent front-end response. Because it resists flex compared with stock plastic parts, it can help maintain camber and toe settings when adjusting roll stiffness, spring rates, or anti-roll bar setups on track or during practice runs.
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