• Turntable less pneumatic lock tire changer. • Advanced design of the mounting head avoid damage the rim, equipt with protective pad, double protection of the rim avoid damage • Adopt nematic locking device, operation easily and conveniently. • Wheel seat equip with nylon plate, can not damage the rim, suitable for many kinds of tire. • Cylinder diameter of Mounting head is 94mm, make operation with strong power • S41enhanced mounting bar provide long time and high strength service without any mechanical deformation.