TAMIYA TT-01d Alloy Front Lower Arm - TT055D by GPM  [TT055D]

Alloy front lower arm for TT-01d chassis

This alloy front lower arm is an aftermarket RC-scale replacement part produced by GPM for the TAMIYA TT-01d platform, supplied as 1 pr. It offers a stiffer alternative to the stock plastic arms while remaining a focused tuning and maintenance item for on-road models.

Fitment and installation: Built to fit the front suspension of TT-01d series chassis, the arm installs in place of the original lower arm using standard suspension pins and common workshop tools. It serves as a structural suspension link, influencing camber stability and steering feedback when used with the existing hubs, uprights, and linkages on the TT-01d.

Tuning impact: Replacing plastic lower arms with alloy units increases assembly stiffness and reduces flex under load, helping drivers judge shock valving, toe adjustments, and anti-roll bar settings more consistently. This upgrade is aimed at improving setup precision rather than changing the chassis geometry.