if one's a long pull and one's a short pull don't they make a problem solver for this sort of thing that would allow you to use the same set of levers but with the problem solver for the rear?
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Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"