I can't really see how it might be an improvement. Campag use a single pivot caliper for the rear in their groupsets because you don't need that much braking power on the rear wheel before it locks up.
@O'Shane started
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I can't really see how it might be an improvement. Campag use a single pivot caliper for the rear in their groupsets because you don't need that much braking power on the rear wheel before it locks up.