Handle bar Ф 25mm dipping handlebar Flywheel weight 20kgs cast iron flywheel Drive system Chain drive Brake system Aluminum alloy brake pads Pedals JD-304 aluminum bearing M20*1.5 Cusion PU modeling, adjustable Maximum user's weight 150kgs Demenison 1210*540*1200mm N.W. /G.W 55kg/61kg