This rear brake disc is produced for the Team Losi Promoto-MX motorcycle platform, finished in a gold tone and made from aluminum to provide a practical balance between weight and durability. It is marketed as a direct replacement hop-up for maintenance, cosmetic refresh, or part swaps during repairs.
Compatibility concentrates on Promoto-MX models that use the standard rear disc mount; installation locates the disc at the rear hub and uses the model's original hub fasteners. Typical installation steps are wheel removal, disc swap, and careful reassembly while checking alignment and fastening security prior to trial runs.
Use this disc as a serviceable wear item or an aesthetic option to keep a Promoto-MX running between sessions, to test fit during setup adjustments, or to restore the machine after component replacement.
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