SPORTSTECH SX75 Manual page 26

Step 3:
Put the seat post (2) into the main frame (3). Fix it with the plum knob (1). Then put the seat slidder
(4) to the seat post (2). Fix it with the gasket (5) and knob (6). Put the seat (7) to the seat slidder (4).
And fix it with the wrench.
Step 4:
As the picture shows, fix the handlebar (4) with 2 screws (5) to the handlebar post (2). Then insert it
to the main frame (3). Use the knob (1) fix tightly.
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