Originally Posted by
steelbikeguy
that sort of question would probably make a great thread all by itself... "why don't manufacturers stick with the standards?".
Raleigh did.
Originally Posted by
steelbikeguy
I know that I've wondered why one of my British bikes uses a 7/32" allen for the seatpost binder bolt. I think it might use Whitworth threads too.
Steve in Peoria
More than one of the metric sets in the tool bin have a 5.5mm size.