Alcoa Wheel has introduced a forged aluminum dual valve wheel. With a second valve stem the TPMS sensor can operate on one valve while air pressure is serviced on the other.
TetherTech Develops Wheel-Separation Prevention Device
The TetherTech Safety system consists of a length of cable sized for the axle tube, two end caps and hardware. The caps bolt to the cable and to the hub, preventing a wheel separation from occurring.