There are two Dura-Ace centerpull brake caliper sets for sale on eBay right now.
Item number: 7243193106 Item number: 7243027057
No relation to seller.
David
David G. White Burlington, VT
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Carb7008@cs.com wrote:
>I previously posted a query as to whether the elusive DuraAce c-pull calipers
>were similar to Shimano 500 c-pull calipers. A lister was helpful enough to
>email a pic of the DA c-pull and with minor differences, the calipers appear
>identical. I've since picked up a pair of Shimano Tourney c-pulls and they are
>again the same with the exception that Tourney are long-reach, 500 are
>short-reach, and DA appear to be short reach.
>
>Of interest is the asymmetric cable fastening/QR mechanism common to both 500
>and Tourney (maybe DA too)...best described as a sidepull centerpull. This
>clever design eliminates the need for a straddle cable by running the brake
>cable around a cable saddle and QR device attached to one arm then anchoring the
>cable to the other arm with typical perforated bolt and nut. This design does
>not at once suggest equal application of pressure to both arms but in
>practice appears to do so adequately.
>
>Now starts the Holy Grail quest for the DuraAce long-reach centerpull
>caliper!
>
>Jack Romans in unusually wet
>Sacramento, California