Install & disassemble rear wheels
As shown in the picture, First put the iron gasket、 rear wheel set and rear wheel on both sidesof the rear wheel axle, then insert rear wheel set to rear wheel tube, it is ok when you hear “clickWhen it needs to be disassembled, press the shrapnel on the inside of the rear leg tube and pullit down:Hold the remove button and pull it out .the rear wheel can be removed.