??【Rebound motion assistance】 - Automatic reinforcement rebound intelligent auxiliary brake, built-in brake system, rebar rebound smoother
? 【Multi-angular Side Slides】-- Reject invalid movements, apply precise force on the abdominal muscles, make the muscles stretch and exercise more, with a timer function.
【Quiet and wear-resisting】 Widened hub, multi-layer composite material ensures excellent non-slip and wear-resistant performance, no scratching the floor, and the bearing rollers are not only flexible, but also quieter.