These aluminium wheel hex adapters are built to widen the wheel stance of the Axial Racing RR10 Bomber for improved corner stability on technical courses. The kit produces a 21mm total offset so tyres clear obstacles and provide a broader footprint.
The parts are compatible with wheels that have a 5mm centre hole and are intended for use on 4mm threaded wheel shafts when tolerances align. Mechanical retention is handled by an o-ring, a spring steel ring, springs with washers, stainless screws and a Delrin locating collar to reduce unwanted rotation of the wheel assembly.
Installation is a hobbyist-level procedure: slide the hex onto the shaft, seat the Delrin collar, arrange the spring and washers, fasten the supplied stainless screws and pins, then confirm wheel runout before running. These adapters are aimed at track width and clearance tuning rather than altering drivetrain internals.
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