Frame material : tubular steel with powder coat paint Flywheel : 18 kg ( with 20 kg available ) Drive system : belt Console functions : heart rate( pulse ), distance, calories burned, speed, Tension control : rotatable knob with direct push brake Saddle : pu leather with racing seat design Pedal : aluminum alloy with toe straps Cranks : cold forged three pieces crank Handle bar : adjustable forward / backward, up/down Seat post : adjustable forward / backward, up/down N.W./g.W.: 53/56 kg Product size : 102*51*95cm Product size : 102*51*95cm