The Corghi Rim Clamp Tire Changer, No. A9220TI-HP, offers a high-performance two-speed turn table feature, found on premium level tire changers, on a 20” capable unit. The A9220TI-HP also offers the bead pressing tool (BPT) arm, which helps keep the bead in the drop center of the tire changer for difficult, low-profile and run-flat tires. This changer works on 20" wheels (up 12.5” wide, on tires up to 42” in diameter).