Quote:
Originally Posted by alexstar
That fitting is an aero mount for downtube shifters. Cool bike! Serotta certainly built some interesting stuff for competition use.
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Ah - that explains it. You'd think a DT-shifter lover like me would have realized that.
I was convinced that it had to have something to do with stiffening the frame, because when I look at that I have to wonder what in the world provides stiffness - that one "TT/DT" doesn't look like it would be enough.