These aluminium hex adapters add a 29mm total width to the wheel mounting point on AXIAL RR10 Bomber models, increasing lateral spacing to help the chassis stay planted on rough crawling terrain.
Compatibility is determined by hub and shaft measurements: the adapters accept wheels with a 5mm hub hole and are intended for 4mm threaded wheel shafts. Verify both sizes on your vehicle prior to fitting to avoid mismatches.
Retention is achieved through a multi-part arrangement: one face fits an O-ring while the opposite face uses a spring steel ring, a spring with washers, and a stainless screw, plus a Delrin collar that locks the hex and prevents the wheel from sliding on the adapter under torque.
Fitment note: ensure correct alignment between wheel and shaft, confirm the 5mm and 4mm dimensions, and tighten supplied hardware until the hex is secure but not overstressed. Test on a familiar section after installation to check steering and clearance effects.
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