LifeSpan S2 Indoor Cycling Bike Indoor training bike mimics the natural feel of cycling outdoors Heavy-gauge steel frame, 40-pound balanced flywheel, and Poly-V drive belt Fully adjustable seat and handlebars make it easy to ride in proper position Seat and pedals are interchangeable with any standard bike components Measures 44 x 44 x 22 inches (D x H x W) and weighs 97 pounds