This replacement rear rim frame is an aftermarket component aimed at HPI Baja owners who need a robust wheel structure rather than a cosmetic swap. The design uses a resilient nylon body combined with an alloy 10-poles patterned insert to maintain spoke alignment and better distribute loads in scale off-road conditions.
Compatibility is stated in the product name and suits HPI Baja series that share the identical rear rim mounting layout. Confirm hub bore, wheel hex dimensions and tyre seating to ensure a direct replacement without additional work.
Fitment instructions: remove the wheel as one assembly, inspect the hub and six-sided wheel hex for wear, transfer bearings and any spacer rings into the new frame, tighten hardware progressively and check wheel runout on a roll test before full-service use.
For modelers replacing worn rear rim frames on HPI Baja machines, the GPM BJ1003R prioritises structural resilience and repeatable wheel alignment; always verify hub and bearing condition during installation to maintain handling consistency.
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