Description
These are heavy-duty CVA (constant velocity axle) drive bones measuring 71mm, used in the driveline of the Team Associated RC10B84 and RC10B84D 4WD off-road buggies to carry power through the suspension’s range of motion to the wheels. Machined from hardened steel and built to a heavier-duty specification than the standard bones, they resist twisting, rounding, and snapping under the high torque and repeated impacts of aggressive off-road driving and racing. The added strength keeps the driveline tight and responsive, reducing slop that can dull throttle response and cornering feel, especially on high-power buggies. These bones are a direct upgrade for racers looking for extra durability over the factory standard bones, and also work as a replacement when a heavy-duty bone wears out or breaks. They are engineered to fit the vehicle’s existing CVA outdrives and drive cups without requiring any other driveline changes. A pair of bones is included in the package, which is enough to service one axle location on the vehicle.
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