Specifications: Technical Specification: Single large display computer: Time, speed, distance, calories, pulse Friction: Manually adjustable 8 level magnetic resistance . Fly wheel: 8 kgs 6 preset 1 manual program Pulse: Handpulse sensor Power: 1.5 AA x 2 = Battery 3 piece crank assembly Colour: Black Silver Transportation wheels for easy movement storage User Weight: 120 kgs Max Functions:- The resistance comes from our generator-typed electromagnetic resistance system When you are pedaling, the magnetic wheels spins thus creates magnetic fields These fields convert to electricity magnetic resistance which can be controlled by a programmable computer console