Originally Posted by
chagzuki
The quality of an aluminium tube?
Yes, swaged at one end and flared at the other. Hard anodised I believe and graduated with height markings.
Originally Posted by
chagzuki
Why is the standard seat post steel in the first place?
I've been hoping this superlight experiment will allow Brompton to lighten their whole range. The aluminium seatpost is the next obvious trickle-down.