GB
4. Installation and removal of the front wheel:
A Installation:Set the front axle into the front wheel seat, when heard a crash,
that is installed in place.
B Remove: Press the fast button,pull down the front wheel .
5. Installation and removal of the rear wheel:
Same as 4.
6. Installation and removal of the front bar
A.Set the front bar into handrail sockets, when heard with a "click", that is
installed in place.
B.Press the button, pull out the armrest