The CycleOps 20/24" Wheel Adapter allows you to attach your BMX bike or any smaller wheel size bike to your CycleOps trainer. It is easy to use and comes will all the needed pieces.• Attach your BMX or recumbent bike to your trainer
• Raises the resistance unit up to wheel height for smaller size wheels
• For use with CycleOps Power Classic series trainers (Wind, Mag, Mag+, Magneto, and Fluid2)