What you see id Shimano's own boss there. I got a heat wrench that can fix that or look around there are some Shimano shifters that fit that out there.
>From: Thomas Dockery <driveadime@msn.com>
>Date: 2008/03/01 Sat PM 11:41:50 CST
>To: Classic Bike <classicrendezvous@bikelist.org>
>Subject: [CR]Non Standard Shifter bosses
>
>I am looking to identify some odd shifter bosses I found on a Centurion, Ir
>onman frameset, I got for free. Seems like a reasonable quality frame from
> the late 80's. The shifter bosses have a "double D" post like that found
> on the standard boss (looks a little shorter...... ) but the base is not s
>quare, it is round with single square tab which points forward. Can anyone
> tell me which shifter(s) this was used with, and there a way to convert th
>is to standard boss?
>
>I wanted to avoid replacing them but if thats the only option... that's wha
>t I will do.
>
>Thanks,
>
>Tom Dockery
>Los Altos, CA
>USA
>
>
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