Rocson commerical use spinning bike is widely used in gyms in USA and Europe. Rocson Spinner® bikes offer greater adjustability and better ergonomics than any other indoor cycling bike in the industry. On most models, the saddle and handlebars can be easily adjusted both vertically and fore/aft to fit every rider, regardless of their size. The authentic feel of the road is established via a perimeter weighted flywheel. Commercial grade steel frame; Extra thick poweder coating in order to meet the high strength need of the gym studios, keep away from the sweat erosion; Easy handlebar and seat adjustment system back and down, up and forth, better range of motion based on human engineering; Leather brake and precise aluminum alloy parts; Front wheels for easy moving in your gym; For easier maintenance, we design a recondiction hole, easy to check the tension of the belt inside, easy to lubricate. The space underneath is wider for your daily clean; Max user weight: 158.7kg; The adjustment feet is made of resin covered with rubber, which can enhance the balance and the bike stability.