Step 4:
a.Attach pedal(14L/R) to main frame (13) by wrench(65).
b.Take out bolts(43), spring washers(41) and arc washers(46) from adjusted
handlebar (47) by wrench(67), then attach adjusted handlebar(47) to adjusted
shaft(44)by bolts(43) , spring washers(41) and arc washers(46) .