Belt/Chain drive system with fan flywheel
3. Dipping plastic handlebar
4.Crank:3 section with pedals
5.Professional saddle
6.With horizontal and vertical seat post
7.Monitor:Blue backlit, built in receiver.8.Programs: INTERVAL 20/10, INTERVAL 10/20 Programs, INTERVAL CUSTOM Program, TARGET TIME, TARGET DISTANCE, TARGET CALORIES Programs, TARGET HEART RATE Program.9.The maximum weight of user:150KGS