STEP 3
Put the seat post ( 2 ) into the main frame ( 3 ), fix it with the plum knob (1 ). Adjust it by gasket
and plum screw. Put the seat slider (4) on the seat post (2) and fix it with the 7-Knob and big
washer (5), Tight it. Then Put the seat cushion (7) on (4).
Tight it with wrench.
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