TRAXXAS TRX4 Pendulum Wheel Knuckle Weight 6mm Hex Adapter TRX4023 by GPM  [TRX4023]

Wheel-end pendulum mass for TRX4 tuning

The GPM TRX4023 aftermarket kit concentrates mass at each wheel hub of TRAXXAS TRX4 scale crawlers to enhance low-speed traction and stability on irregular terrain. The pendulum-style weight mounts to the knuckle outer case and uses a widened 6mm hex adapter so the added mass swings downward and sustains contact force as the suspension articulates.

Tuning role and installation intent: the pendulum weight shifts wheel-end center of gravity toward the ground, helping a TRX4 keep grip when climbing, bridging ruts, or extracting from soft sections. This is a tuning accessory fitted to the outer knuckle case and does not change suspension geometry.

Materials and corrosion resistance: the assembly combines stainless steel rolling beads and stainless fasteners with an aluminium body, adding rotating mass at the wheel ends while resisting rust in muddy or wet runs.

For TRX4 owners who want to dial in low-speed traction, the GPM TRX4023 pendulum kit adds measured mass at the wheel ends, stays corrosion resistant, and is straightforward to fit to standard outer knuckles.