APC RIGHT FRONT HUB PRC - STD/CE (SOLD INDIVIDUALLY)FITS ALL PRC KARTS. APC hubs are designed to greatly reduce the amount of flex between the wheel race and the hub. With the lateral loads continuing to increase, it has become apparent that the wheels are now moving and or flexing at the hub face. This movement is due to the limited amount of contact surface between the hub and the wheel, which results in a visible imprint of the hub into the back of the wheel and often loose wheels. To address this