This aluminum rear caliper is supplied as an RC-scale replacement part for the Promoto-MX motorcycle line. The purple anodized finish gives a clear visual cue while the aluminum construction is intended to provide a stable mounting surface for the brake assembly on scaled dirt bikes.
Intended role: install this caliper when replacing worn rear brake parts or when testing incremental brake setup changes. It enables straightforward mechanical adjustments like pad alignment and lever travel tuning without modifying the chassis geometry.
Installation notes: engineered for direct fitment to Promoto-MX rear brake mounts as referenced in the product title. Reuse original fasteners when practical and confirm thread engagement and torque after the initial test run. Perform brake bedding and staged speed checks on a safe area before full operation.
Compatibility and caution: this part is an RC-scale accessory intended only for Promoto-MX motorcycle models. Always confirm part compatibility with your specific model before fitting and do not use on road vehicles.
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