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Shimano & Campagnolo Road Brake efficiency
Ronko wrote:
I have one road bike (steel) with a 2000 Campy 10sp Alloy Chorus shifters and matching double-pivot Chorus brakes (pre Skeleton). I have another similiar geometry road bike (aluminum, carbon stays) with Shimano DA7700 shifters and Ultegra 6600 brakes. The Shimano bike stops better, it has more stopping power and it feels snappier. Curious, I switched the front brakes. With the Campy Chorus 10sp shifters (alloy group) the Ultegra brake isn't the same snappy, quick stopping self. The Chorus brake on the Shimana DA7700 shifter bike feels better than on the Campy bike, it is snappier and stops better. In terms of modulation both combinations work well and are controllable and do not go from no braking to instant braking. Various local bike shops & mechanics have various opinions some of which a Campy brakes are generally not as good as Shimano which I have found in my specific case not to be true. Campy brakes are better than Shimano in that they modulate better and are equal in stopping power. No one believes Campy brakes stop better than Shimano. Personally because of the general quality of Campy equipment I am inclined to believe both Shimano and Campy are equal in stopping power. I can't comment specifically in regard to short reach caliper brakes, because none of them accommodate reasonably sized tires for a full sized adult and thus I can't use them. But I can observe that people are quick to confuse lever response with braking power. That's why many folks erroneously believe hydraulic discs are more powerful than cable-actuated discs, or linear-pull brakes are more powerful than cantilevers. They have more dramatic lever response, but that has little to do with maximum braking power. From what you describe, it sounds like Shimano drop bar levers have a higher mechanical advantage than Campagnolo levers. That's a mixed blessing, considering the short cable throw of road levers generally speaking. It means you have less potential rim clearance to work with, and more likelihood of bottoming the levers before full braking power is attained. But in a tidy, well adjusted system that has short cable runs, high mechanical advantage means more braking with less lever effort. Some brakes that have relatively poor lever response, like U-brakes and drum brakes paired with flat bar levers, can exhibit far greater maximum stopping power than calipers that come on stronger at the outset. But they take a more forceful grip. Chalo |
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