D
The seat is placed on the Gripo pole, then the tube
bend is pushed through the hole next to the seat,
at the same time the tube is pushed through both
the spacer (circled) and the universal connector.
The longest part of the tube bend goes through
the seat and the short part through the universal
connector.
Adjust the seat to the desired height, then tighten
the universal connector well!
Make sure the universal connector is sufficiently tightened so that the seat does not
slide down when used.
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