V-Belt CVT Drive Belt 729 17.7 30 fits GY6 4 stroke 49cc 50cc Long-Case Scooter Motorcycle
This is the standard replacement belt for the GY6 50cc 139QMB 4-stroke long case engine.These are used on Baja, JMstar, Jonway, Lance, NST, Peace, Roketa, Sunl, Tank, TNG, Vento, Baccio, VIP and many others.Note: Scooters with a long case usually have a 12" - 16" rear wheel.Length: 729mm/28.70"Width: 17.7mm/0.70"Angle: 30 degrees