Originally Posted by
Jipe
The problem is that to go to wider 50mm tires like the Big Apple, either you must accept smaller diameter wheels (ETRTO305 with 50x305 tires, even with these wider tires the overall wheel diameter is smaller than the original 35x349 diameter) or must accept to have a bigger folded size with 50x355 tires.
I’ve seen modified Bromptons with 20’ wheels, folding size is not all that bigger, so it’s fine.