runs quietly with AUTO program setting we own the original tooling in China can be used as sliming instrument multi-function product nameaerobic exercise mini bikeoriginalGuangdong Chinabrand nameMModelMK-001Colourblack/ white1. With 5 speeds:30rp/m,40rp/m,50rp/m,60rp/m,70rp/m,can be adjusted accordingly2. Time:5 different choices for time-setting ,3 min,6min,9min,12min ,15min3. Rotate & reverse ...