The JAZRIDER JR-LMX03-PU is an aftermarket aluminum rear wheel hub hex in purple, produced for use with the Team Losi Promoto-MX motorcycle chassis. It functions to locate and clamp the rear wheel to the axle while delivering drive loads from the gearbox to the wheel.
Installation involves removing the wheel and axle fasteners, placing the hub hex onto the axle spline or adapter, and reassembling while checking bearing fit and axial play. Use a suitable hex driver and basic tools and verify fastener security before use.
Aluminum construction provides a stiffer mounting surface than plastic options, improving resistance to deformation under load; the anodized finish also helps with quick part recognition during pit work. Use this as a direct replacement when refreshing worn wheel mounting hardware.
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