Sunny SF-B1001 Indoor Cycling Bike Surprisingly affordable performance stationary bike offers design features and benefits you'd expect from a more expensive model Fully adjustable seat and handlebars; smooth, quiet chain drive mechanism Heavy-duty crank and steel frame; adjustable resistance; transportation wheels for easy portability 30-pound flywheel, 85-pound weight, and 220-pound maximum user weight Measures 46L x 19W x 45H inches