This wheel hex adapter set is built for the AXIAL RR10 Bomber platform to increase track width by 25mm for improved side-to-side stability on rocky or root-filled sections. The adapters accept wheels with a 5mm hub bore and are intended to mount on 4mm threaded wheel shafts so you can alter track without hub modification.
The components include a Delrin inner collar to locate the hex on the shaft, an O-ring for preload on one face, plus a spring steel retaining ring with associated spring and washers and a stainless screw to secure the assembly. Together these parts help resist wheel slip on the hex while remaining removable for service and adjustment.
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