How much more effcient are closed scooter designs like BMW c1 vs regular scooter

[cRiPpLe_rOoStEr]

Originally Posted by k3ith

I'm guessing with that trike (seems to be the same model as what I posted) you'd want the sides open so you could lean further to the inside to keep the thing from tipping on a turn.

It's basically matter of the shape you would use for those side fairings.