AXIAL SCX10 Pendulum wheel knuckle axle weight with 31mm hex adapter by GPM SCX023B  [SCX023B]

Pendulum wheel knuckle for SCX10

This GPM pendulum wheel knuckle is an RC-scale axle weight system designed for AXIAL SCX10 platforms to lower the crawler's centre of gravity and increase wheel traction on steep angles. The assembly uses an aluminum pendulum weight shaped narrow at the top and wider at the bottom so the extra mass remains downwards as the crawler tilts, helping the wheel maintain contact on uneven terrain.

The part incorporates a central bearing with a Delrin collar to allow the weight to swing freely, and it ships with a 31mm hex adapter to fit wider wheels. Key fit notes from the manufacturer: each pendulum weighs 82 grams, the 31mm hex is 25mm wider than the original hex, wheels must have an inner diameter of 45mm, and the wheel must provide a 5mm threaded hole to accept the supplied fasteners.

Use this kit when tuning a crawler for better low-speed grip and stability rather than for increasing speed. Fit and trim wheel offset, tyre choice, and suspension setup in combination with the pendulum weights to find the best crawling balance for a given trail or obstacle.

For axle-end weight tuning on AXIAL SCX10 crawlers this GPM kit provides a compact pendulum that shifts mass low and outboard, useful for increasing traction on steep or low-lying obstacles; verify wheel inner diameter and the 5mm thread requirement before installation.