The JR-TRX417-10MM adapter is a brass 12mm wheel hex engineered for Traxxas TRX-4 HD scale trail crawlers. It replaces common plastic hex interfaces with a harder metal contact to lower wear at the wheel mounting face and help keep clamping consistent during slow-speed crawling and technical trail driving.
Use this adapter when you want a stiffer, longer-lasting joint between wheel and axle hex. The 10mm thickness expands the contact area where the wheel seats, helping to spread clamp forces and limit deformation versus thinner plastic parts. Remember this is an RC-scale component intended for model chassis and wheels.
Installation notes: verify your wheel's 12mm hex socket and the axle hex dimensions before fitment, clear any debris from mating faces, and torque wheel hardware to the manufacturer's recommendations for your TRX-4 HD setup. No extra parts are included unless specified by the seller.
Compatible with Traxxas TRX-4 HD models that use a 12mm wheel hex interface.
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