9
3.
The right seat frame cooperates with the upright post, put the
M8 screw and the flat meson through the upright post, insert the
flat meson and fix it with M8 cap nut, so that the seat frame is not
loose and can rotate flexibly, as shown below: (left seat Rack in
the same way)
4.
Insert the left and right seat frames on both sides of the base,
ensure that the small square tube of the column is inserted to the
end, and fix it with the M8 five-star knob, as shown in the
following figure:
more than the 140mm
