The Wheel Adapter is the tool for BMX and Recumbent bicycles. Use the Wheel Adapter on all CycleOps trainers! The Wheel Adapter raises the resistance unit to the height of the bike's wheel, allowing you to have the same great ride as if you were riding the trainer normally. Includes spacer for 110mm axle and a longer arm for reaching smaller wheels. CycleOps 20 Wheel Adapter kit. Raises the resistance unit up so that a 20 wheel can be used on a CycleOps trainer. Manufa