TAMIYA TB04 Steering Knuckle Arm Aluminium TB4021 by GPM  [TB4021]

Performance Knuckle for TB04

This aluminium front knuckle arm is offered as a drop-in upgrade for the TAMIYA TB04 platform and is supplied as 1 pr for RC-scale use. It is intended to serve as a long-lasting steering element around the wheel spindle and link points on the TB04 chassis.

In practical setups the knuckle determines the steering pivot and affects toe and camber behaviour through suspension travel. Fitting an aluminium item changes part stiffness and the mechanical interface versus the stock unit, which is helpful when evaluating handling adjustments or cornering balance.

Installation follows the stock mounting pattern on compatible TB04 assemblies; always test-fit to confirm clearance around the steering linkage and free wheel rotation prior to finishing the build. Sold as 1 pr (pcs).