Standard ferrite magnet Standard ferrite magnet Lightweight and adjustable power Generates 425 watt power at 40 km/h 0.6 kgs dual steel disc flywheel Fits hub width between 125 ÌÎÌ_ÌÎ_ÌÎÌ__ÌÎÌ_ÌÎ__ÌÎÌ_ÌÎ_ÌÎÌ__ÌÎÌ_ÌÎ_ÌÎå«_ 145mm Sturdy 29mm folding legs 3 levels of resistance