Ducati MG-20 Manuel D'utilisation page 20

Seat post assembling
1. Loosen the seat post clamp ,
keep the bike steady, insert the
seat post in the frame.
Adjustment of saddle height
1. When you need to adjust the
height of the saddle, first loosen
the seat post clamp, then move
the seat post to the preferred
height , tighten the seat post
clamp.
2. Adjust the screw ,tighten the
clamp, then press the saddle at
full tilt to ensure the seat post
locked tight enough and doesn't
rotate or move up and down.
2. The saddle height mustn't
exceed the minimum insert safety
height limit line.
18
Safety height
limit line