SPECIFICATIONS HEIGHT 45" / 1143 mm WIDTH 26" / 660.4 mm LENGTH 49" / 1244.6 mm WEIGHT 85 lbs. / 38.56 kg FEATURES V-shape frame and handlebar combo to accommodate all riders Rust-resistant design includes stainless steel hardware and rear flywheel Revolutionary re-designed Keiser Bike Pedal Quiet, low-maintenance magnetic-resistance belt-drive system Magnetic resistance delivers road-bike experience and ensures a smooth ride Lightweight and superior ease of transport With more than 300,000 M Series bikes sold, there’s no more proven bike worldwide Robust adjustment knobs require less maintenance than cam-lock Four-way adjustable seat Keiser education and certifications available