Monark Exercise AB Exercise Bike Comparison Chart: Compare Specs and Features of Monark Exercise AB Ergometers, including the Monark 828e vs the Monark 839e Model 818e 828e 839e 874e 894e Brand Monark Monark Monark Monark Monark Type Exercise Bike Exercise Bike Exercise Bike Exercise Bike Exercise Bike Style Upright Upright Upright Upright Upright Grade Commercial Commercial Commercial Commercial Commercial Kind Ergometer Ergometer Electronic Ergometer MSRP Resistance Levels 6 to 8 Resistance Adjustment Manual - turn knob Resistance Type Strape and flywheel resistance Workload Range 0 to 7 KP Wireless Heart Rate Yes Yes PC Software Yes 839 E Analysis Software Large, well-balanced flywheel 22 kg (48 lbs). Yes Yes Pendulum scale, easy to calibrate. Yes Yes Adjustable Seat Height Yes Yes Adjustable handlebar with quick release lever. Yes Yes Computer Serial communication port for remote PC or ECG machine. Yes Direct printer connection port. Yes Computerized w/Removable Control Unit Yes Digital Timer Yes Optical metronome Yes Remote controller with backlit LCD-display. Yes Multiple Languages Yes Energy consumption calculator in calories (kcal). Yes Specs Length 44" 45" Width 21" 21" Height 35-44.5" 30-45" Weight 114.5 lbs 123 lbs Max User Weight 275 lbs 275 lbs Transport Wheels Yes Yes ISO 9001 certified Yes Frame Stable frame, solid steel tube. Stable frame, solid steel tube. Regulatory Approvals U.S. Air Force and Federal Fire Departments MDD, EMC - 89 / 366 / ECC, EN 60601-1 and EN 60601-2 Programmed Protocols Astrand • Bruce • YMCA • Naughton • Ramp • Incremental • HR adjusted Workload • Custom • Electronic Readouts Units • Distance • • Calories • • Force (N) • Power (Watts) • • VO2 • Time • • RPM • • Heart Rate • • Speed • •