Effectively improve your cardiovascular fitness levels and enjoy efficient and comfortable lower body training on the dkn am 3i exercise bike its 11kg smooth working flywheel and 32 digital levels of magnetic resistance let you find the right intensity to work out at the machine features 4 user profiles and a great selection of 18 programmes including 1 manual 3 user defined 12 pre set as well as heart rate control and watt training options to keep yourself challenged and motivated cruc