Bohlt X160 Guide D'utilisation page 29

4. Installation of the saddle and seat post
1) Loosen the seat post clamp, hold the frame
and slide the seat post in the frame.
5. Adjusting the saddle height
1) If you want to adjust the height of the
saddle loosen the seat post clamp. For the
correct height the bottom of the saddle
should be 25-50mm higher than the rider's
leg.
2) Tighten the seat post clamp as shown
above. Check if the seat post clamp is
securely tightened by pushing the saddle
downward.
2) Please do not exceed the limit screw and
maximum height line, this can cause danger.
The minimum height is indicated by the limit
screw, which is 790mm.