Step 3:Unscrew #13 L-Shaped Pull Pin Knob
counter clockwise, insert and slide #3 Handlebar Post
to #14 Main Frame, move #3 Handlebar Post upward
or downward to the desired position, release #13
L-Shaped Pull Pin Knob into an adjustment hole in #3
Handlebar Post, and then tighten this knob, make sure
the knob is firmly engaged in an adjustment hole.
Step 4:Place #2 Handlebar on #3 Handlebar Post. Place #8 Handlebar Bracket to
#3 Handlebar Post, screw in #9 L-Shaped Knob, and lock and secure this knob tightly.
YouTube search Niceday L-Shaped Knob Adjustment for detailed instructions.
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