Originally Posted by
Jipe
What is sure is that currently, Brompton factory has no in-house aluminum frame manufacturing capabilities (nor in-house aluminum frame design knowledge), unless they build up a brand new production unit for aluminum frames...
Which they might well be doing.
https://www.theguardian.com/lifeands...tory-on-stilts
https://road.cc/content/news/new-car...-delays-306637
For the weight, moving to aluminum doesn't mean that the bike will weight less, the Dahon Curl (the most similar aluminum folding bike) doesn't weight less.
FWIW, the Curl has a higher max rider weight.