This ball bearing set is an RC-scale replacement part intended for Kyosho Mini-Z AWD platforms, supplied as AWD-22. It is offered as an upgrade to lower friction in rotating assemblies compared with plain bushings and worn sleeves.
The components focus on drivetrain consistency and smoother hub rotation in Mini-Z AWD layouts. Typical use is swapping bearings into the hubs and carriers to restore free-running behaviour and cut energy loss across axle and differential interfaces, which helps the car react more predictably when tuning for tight handling.
Installation is straightforward for experienced Mini-Z technicians: remove the original sliding elements, press the new bearings home with correct seating, and verify radial and axial play before reassembly. Keep the bearings clean and use light, recommended lubrication only when necessary to avoid attracting grit.
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