12-Speed Adjustable Design: This mini exercise bike under desk features 12-speed resistance levels. Ideal as a pedal exerciser for seniors sitting or rehabilitation use, it supports improved circulation and mobilitygreat as a mini stationary bike for adults or peddler exerciser for seniors Forward & Reverse Direction Design: Bidirectional floor pedal bike allows forward and reverse motion to activate more leg muscles. This bike pedal exerciser enhances flexibility and joint movement, making it an effective floor bicycle peddler or motorized under desk bike pedal exerciser