Here's the fast flung answer I came up with for the same Paramount problem. Really, it's a drop bracket, instead of a bolt. The bracket is made with a pair of cutoff shoe mounting plates from a bag of some old Universal caliper arms I have, and some of their steel hardware. I used a Campy rear axle spacer in the back to take up the difference. More Univ. arms are available free for those that would like to duplicate the Paramount setup (perhaps a half dozen or so). We can thank Matteo for those, of course!
http://www.wooljersey.com/
Ciao, Mark Agree Southfield MI ~ ~ ~
Date: Mon, 27 Jun 2005 14:17:04 -0500 From: John Thompson JohnThompson@new.rr.com Subject: [CR]Variation on a theme: quick 'n' dirty drop bolt
I recently acquired a cheap Atala road frame, with the intention of building it up as a single speed. This is a bike-boom era frame, built for 27" wheel with plenty of clearance for fenders, so there was no way my old Dura-Ace calipers would reach the rear rim. After pricing official drop bolts (more $$$ each than I paid for the whole frame), I decided to make my own.
I looked at Sheldon Brown's page on home made drop bolts (http://www.sheldonbrown.com/home-drop.html), and decided I could modify it a little. So I made a quick 'n' dirty "proof of concept" model -- about 20 minutes, start to finish. I'll probably go back and make a prettier one now:
http://www.os2.dhs.org/
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John (john@os2.dhs.org)
Appleton WI USA