This aftermarket rear hub is CNC-machined from 7075-T6 aluminum and designed specifically for 1/16 scale ARRMA MINI KRATON 3S kits. Replacing the stock plastic unit, the alloy hub delivers higher impact resistance and long-term durability by employing a stronger material and larger rolling elements. It is intended as a direct swap for factory part ARA-2677 and is supplied with compatible inner and outer bearings to match the new bores.
Specified bearing updates are an inner 7x17x5mm and an outer 7x14x5mm, versus the original inner and outer sizes of 7x14x4mm. These increased bearing dimensions change the axle interface and can reduce endplay while improving longevity during frequent off-road usage.
All items are supplied pre-assembled to make installation straightforward, and the package contains the hardware needed for a direct replacement of the rear hub assembly. For secure long-term fastening we suggest using medium-strength screw glue where threadlock would normally be applied to resist loosening from vibration.
An aluminium, bolt-on replacement designed to give MINI KRATON 3S owners a longer-lasting hub solution and the benefit of larger bearing sizing compared with the original plastic component.
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