How do carbon seatposts cope with the constant up and down?
If you're planning to use the bike often or lower your seatpost when folding then we wouldn't recommend this (speaking from experience) it does save amazing weight but titanium would be the route to go,
Does the steel-skinned carbon seat post from the T-Line fit a normal Brompton?
Ignore me, I have just seen on Brilliant bikes that it does fit. Only 90g saving though!
@HoKe started
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How do carbon seatposts cope with the constant up and down?