Thanks @nucleustylzlude and @tricky. Much appreciated, amigos
I'm 184 cm tall so I'll definitely try to find a way to install them as low as possible.
Cheers,
Daniel
After a lot of modifications I managed to install the seats:
Although we lowered the seats with 2+ cm from the floor, the seating position is still too high and I'm rubbing my head sometimes. I will post some updates after I get used to them.