The Yokomo B9-415RA Rear Hub Carrier is a dedicated upgrade for the BD9 2019 chassis, moulded from a softer resin than standard uprights. This material choice boosts traction on asphalt and other low-traction surfaces by allowing more rear compliance and improved tyre contact. It is aimed at competitors and club racers seeking a more controllable rear end.
By softening the hub carrier compound, Yokomo reduces abrupt loss of grip and improves the car's ability to follow the line on patchy surfaces. The result is fewer mid-corner snaps and a smoother power-on response out of bends.
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