If you're just lowering the back by unwinding preload for more sag, I wouldn't. It will make the steering vague and the bike wallow more than it should. If the shocks have a height adjuster that would work.
Dropping the forks won't make a lot of difference to the seat height.
If you're just lowering the back by unwinding preload for more sag, I wouldn't. It will make the steering vague and the bike wallow more than it should. If the shocks have a height adjuster that would work.
Dropping the forks won't make a lot of difference to the seat height.