Originally Posted by
Ozonation
I would love a 20" wheeled Brompton that would allow me to put Big Apples on for that "extra suspension" and to go on rougher surfaces. I'd be willing to sacrifice a bit of portability for a 20" Brompton that folds in the same fashion.
Just do a 305 conversion:
Off-road Brompton
There was actually an article out there somewhere of a guy who put 305 wheels/Big Apples on his Brommie,but I can't find it right now.