LOSI Promoto-MX Aluminum Rear Wheel Hub Hex - JR-LMX03-GD by Jazrider  [JR-LMX03-GD]

Precision CNC rear hub hex for Promoto-MX

This aluminum rear wheel hub hex is a direct-fit RC-scale accessory for Team Losi Promoto-MX motorcycle chassis. Machined aluminum with a gold finish gives a firmer, more consistent interface between wheel and axle than typical injected plastic hexes, helping keep wheel alignment under load.

Installation is simple: remove the stock hex, slide the aluminum hub onto the axle mating surface, then secure with the existing wheel-retaining hardware. Check that the hub beds flush against the wheel hub and that any bearings or collars remain correctly positioned before final tightening.

For setup and maintenance this part reduces flex at the wheel interface and gives a tougher wear surface for repeated wheel changes. Inspect hub seating and the retaining screw regularly to maintain safe, consistent performance on the track.