This item is an aluminium rear brake disc made for Team Losi Promoto-MX scale motorcycle models, listed under part number JR-LMX07-BK. It is supplied as a replacement rotor for model use and not suitable for road vehicles.
The rotor's role is to replace a worn rear disc and provide a firm mating surface for brake pads. Fitment adheres to the Promoto-MX layout, so verify your model variant and bolt pattern before purchasing to ensure compatibility.
Installation steps are straightforward: remove the wheel and existing rotor, transfer any spacers or mounting hardware required, fit the new disc, and confirm pad clearance and alignment. Complete a short low-speed bench test to check for smooth engagement before full-scale operation.
Care and maintenance: inspect the disc periodically for signs of wear or distortion, keep mounting bolts tightened to spec, and clean the black finish with care to maintain its protective coating.
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