I too am after springs, specifically for a set of Mafac Tiger brakes. I believe they're the same springs as used on Mafac cantilevers, but I'm not positive. Anyone know for sure? Anyone have a set for sale??
Gary DellaRossa, Toronto, Canada.
>From: Jan Heine <heine94@earthlink.net>
>To: Adam Hammond <anhammond@gmail.com>,classic rendezvous
><classicrendezvous@bikelist.org>
>Subject: Re: [CR]RE:braze on CP brakes
>Date: Wed, 16 Jan 2008 07:41:06 -0800
>
>At 12:37 AM -0500 1/16/08, Adam Hammond wrote:
>>Grant MacLean helpfully directed me here:
>>
>>http://www.asahi-net.or.jp/~uc6y-ssk/special_37.html
>>
>>If you look toward the bottom, you can see that Dia Compe sold a kit for
>>mounting the GC centrepulls onto brazed-on bosses. I suppose this means
>>they also sold special springs for the purpose. (I wonder if a Mafac
>>spring would work -- they do connect with the brake arm in the same way
>>as Mafacs: via the brake shoe bolt.)
>>
>>If anyone happens to have a lead on such bosses, please let me know. (I'd
>>need the ones for the NGC450B brakes.) I'm also looking for GC straddle
>>wires.
>
>You can establish the correct dimensions from your brakes. Then it's an
>easy job to machine those bosses. The only critical dimensions are diameter
>and length of the pivot for the brake, the rest can be very approximate.
>Many framebuilders have a lathe, so you may ask the person who would put
>the bosses on whether they can make them as well.
>
>Machining bosses is a lot easier than making custom brake springs! (Does
>anybody know how to bend custom springs? I need some for a restoration.)
>
>Jan Heine
>Editor
>Bicycle Quarterly
>140 Lakeside Ave #C
>Seattle WA 98122
>www.bikequarterly.com