This is an RC-scale wheel hex hub adapter engineered to match the Traxxas TRX-4 HD wheel interface and serve as a brass replacement hub insert. The part uses a 12mm hex interface and the body thickness is specified as 8mm, giving a solid metal seating surface between axle hardware and wheel.
Use cases focus on reinforcing the wheel-to-axle contact point and providing a durable brass mating surface where stock plastic or thin hubs may show wear. Because it is an RC accessory, expect the adapter to influence wheel offset and the feel of the wheelfit; verify fit and clearance on your chassis and body before full installation.
Installation is straightforward for experienced model technicians: remove the wheel and existing hub hardware, fit the brass adapter into the wheel hex interface, confirm it seats flush, and secure with your original wheel hardware. After fitting, check for axial play and wheel alignment, then perform a short test run to confirm there are no clearance issues with suspension travel or bodywork.
Maintenance is minimal but important: inspect the brass mating surfaces for wear, clean out debris from recesses, and check that the adapter remains firmly seated after regular running. Replace if you observe significant deformation or wear that creates wheel play.
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