ARGENTO Piuma Manual Del Usuario página 12

Handlebar stem plate assembly/disassembly instructions for handlebar installation/removal (if necessary - optional)
Remove the handlebar stem from the top end of the
handlebar attachment as follows:
Remove the screw number 1 and then the lever number 2.
Then proceed to remove the metal plate number 3 and
finally remove the metal plate number 4 by sliding it
sideways.
Installing and positioning the seat post
Insert the seat post into the seat tube of the frame and,
after positioning the saddle correctly, secure the seat post
firmly using the special clamping device (seat post clamp)
on the frame.
Proceed to reassemble the previously removed handlebar
attachment plate in the reverse sequence.
Make sure to tighten properly to avoid dangerous situations
while riding.
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