This upgrade kit supplies pendulum-style wheel knuckle weights and a 9mm hex adapter tailored to the TRAXXAS TRX4 platform. It places additional mass at the wheel ends to improve tyre contact and crawling hold on technical lines.
The mechanism uses stainless steel rolling beads to concentrate mass lower in the wheel assembly, producing a consistent downward bias. Added outer-wheel mass helps the tyre sustain traction when the chassis is angled or when a wheel digs into a depression.
Components are brass for the pendulum housings with stainless steel beads and fasteners. Beads are removable to permit incremental calibration of wheel-end mass. Mounting is intended on the outer case of front and rear knuckles so the extra load is applied without altering steering or suspension geometry.
Use the brass pendulum assemblies and bead tuning to optimise wheel-end inertia for consistent low-speed crawling performance on TRX4 platforms.