Originally Posted by Bonzo Banana

It doesn't look like a design that would clamp onto a fork tube. I can't see any side bolts or places for them. It looks like a threaded assembly.



It's helped me anyway, I have a folding bike with this but can see an upgrade to a superior height adjustable version is quite reasonable. I'm upgrading the bike anyway with a better drivetrain so might as well stump up for a height adjustable handlebar stem.