Multisports Fitness 420 Commercial Training Exercise Bicycle Flywheel: 45 lbs Steel; Frame: 1 1/4" X 2 3/4"; Handlebars Adjustable; Portability Wheels Yes; Drive System Belt; Axle Heavy duty Heat-treated Cro-Moly; Crank Heavy Duty; Resistance Adjustable; Seat Fully Adjustable; Pedals Cro-Moly Spindle w/ Toe Strap; Finish Electro Powder Coating, Rust and Scratch Resistant; Environmental Lite-Commerical