Get into shape with the top of the line Sunny Health & Fitness SF-B1516 Commercial Cycling Bike! This bike offers all of the necessities for an intense yet enjoyable cycling workout at the gym or at the comfort of your own home. With a newly improved and easy-to-replace crank shaft system, 48.5 lb chromed solid flywheel, fully adjustable seat and height adjustable handlebars, micro adjustable resistance, and built-on transportation wheels, the SF-B1516 Commercial Indoor Cycling Bike is designed for convenience while also providing the challenging feel of an outdoor cycling. The quality of its heavy duty commercial grade steel crank and mainframe is built to withstand time and go the distance with users of all sizes and levels! Maximum user weight: 300 lb.