... price and OEM service. 3.GS/CE/RoHS certificate home automatic Mini Exercise Bike 1) Runs quietly.home exercise use for ... , 40rpm, 50rpm, 60rpm and can be adjusted freely.4)Rotate & Counter-Rotate: when rotating in a contrary way, it could be ... -Stop for over 6 seconds, then will be shut off automatic. COMPANY INFORMATION:Established in 2000 Gongchang Plastic & Metal Co., limited ...