This purple anodized aluminium rear brake disc is produced as a direct replacement for the Team Losi Promoto-MX motorcycle scale model and offers a tougher metal option that improves longevity compared to the original plastic disc.
Fitment is user friendly for standard Promoto-MX rear hubs: remove the existing disc, position the new aluminium disc on the hub, and secure with the original screws. No special tooling beyond the usual hex driver set is required, and any spacers or retainers already in place should remain unchanged. Confirm thread engagement and torque to the values recommended by the model maker.
In terms of tuning, installing an aluminium disc helps create a steadier braking response and reduces the rate of surface wear versus softer materials. Racers and hobbyists often opt for an anodized metal disc when aiming for repeatable brake feel during consecutive runs or when the factory part is worn.
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