HPI Baja Rear Rim Frame - Precision Nylon with Alloy 10-Poles Insert BJ1003R by GPM  [BJ1003R]

HPI Baja Nylon Rear Rims Frame With Alloy 10 Poles Pattern - GPM BJ1003R
Price:
USD$78.00
Brand:
GPM
Model:
BJ1003R
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alt="HPI Baja Nylon Rear Rims Frame With Alloy 10 Poles Pattern - GPM BJ1003R" title="HPI Baja Nylon Rear Rims Frame With Alloy 10 Poles Pattern - GPM BJ1003R"
alt="HPI Baja Nylon Rear Rims Frame With Alloy 10 Poles Pattern - GPM BJ1003R" title="HPI Baja Nylon Rear Rims Frame With Alloy 10 Poles Pattern - GPM BJ1003R"

Precision rear rim frame engineered for HPI Baja pattern

This replacement rear rim frame is presented as a precision aftermarket component for HPI Baja platforms, focused on structural integrity and consistent wheel geometry rather than cosmetic alteration. The design pairs a CNC-compatible nylon body form with an alloy 10-poles patterned insert intended to stabilise spoke alignment and improve radial load distribution under scale off-road conditions.

Compatibility follows the rim mounting pattern indicated in the product title and is suitable for HPI Baja model lines using the same rear rim interface. Prior to installation, verify wheel hex dimensions, hub bore and tyre seat to confirm direct interchangeability without additional machining.

Technical installation notes: remove the wheel assembly as a unit, assess the hub and six-sided wheel hex for wear or burrs, transfer bearings and spacer rings into the new rim frame while maintaining correct orientation, torque fasteners in stages and perform a roll-runout check to validate concentricity before track use.

Specifications

  • Item Rear rims frame
  • Material Nylon body with alloy 10-poles pattern
  • Model Number BJ1003R
  • Brand GPM
  • Compatibility HPI Baja

For experienced hobbyists and tuners seeking a reliable rear rim frame replacement for HPI Baja machines, the BJ1003R emphasises engineered durability and repeatable wheel alignment; always confirm hub and bearing condition to ensure predictable handling outcomes.

What dimensional checks should I perform before fitting?

Measure hex width, hub bore diameter and overall wheel offset. Ensure these match the BJ1003R mounting interface to avoid interference or misalignment.

Are bearings and spacers reused or replaced?

Reused bearings and spacers are acceptable if they show no play and rotate smoothly. Replace any components with shaft play or visible wear to maintain wheel stability.

How should I verify final wheel concentricity?

After assembly, mount the wheel and roll it slowly while observing for lateral runout. Minor adjustments to spacer placement and torque sequence can correct small deviations.

What is the role of the alloy 10-poles insert?

The alloy insert provides a rigid mating surface to help maintain spoke geometry and distribute impact loads into the nylon body, improving repeatability under off-road loads.