Maybe not enough travel to activate the brake well. Shimano's levers from the 80's on are designed for their own very efficient calipers which don't need a lot of travel in the brake lever to work them. Older calipers like those centerpulls will need a longer lever; Weinmann, Mafac, DC, Universal, older Campy.
David Feldman
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>From: Steve Freides <sjf11@idt.net>
>To: "Classicrendezvous@bikelist.org" <Classicrendezvous@bikelist.org>
>Subject: [Classicrendezvous] Lever/Brake Match
>Date: Sat, Oct 14, 2000, 9:06 AM
>
>A colleague riding a newly built-up fixed gear wants to know:
>
>> I have a set of Exage "Action"aero levers off a road bike with sidepull
>> brakes, but I'm unsure if they will work with the Weinmann centerpull brakes...
>
>What's the expert verdict?
>
>Steve "still T-town envy" Freides