Truth
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Back on topic, disc brakes on TT bikes make sense because hydro hose can run through all sorts of complicated bends without impairing braking power or feel.
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Dario Pegoretti
This quote has appeared many times on this and other forums and still rings true for many. Dario had a way to express himself quite succinctly, even with English as his second language.
'One of the main functions of disc brakes is to solve the problems of the carbon wheels manufacturers. Solve problems of the wheels is not my job.' --Dario Pegoretti |
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Harsh crowd...geez...
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So True !
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'One of the main functions of disc brakes is to solve the problems of the carbon wheels manufacturers. Solve problems of the wheels is not my job.' --Dario Pegoretti |
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God that sounds bad! (Yes I get that in normal routine maintenance that hydraulic hose will be way less trouble and last way longer than brake cables run internally.) |
out of all the new disc-brake equipped aero bikes, only the Cannondale seems to be worth the trouble.
Otherwise, manufacturers are contorting to get people to buy the disc-brake bikes. The 2016-2018 Trek Madone was a fine rim-brake bike, but that bike would have been faster than the 2019 disc version. So Trek made the 2019 rim-brake bike slower as well, just so they can say that their disc-brake equipped bike is faster than the corresponding, same-year, rim-brake bike. Irony here is that a rim-brake Cannondale would likely be faster than the disc-brake C'dale, but I don't think C'dale would be debuting that bike any time soon. |
relax guys. everyone's had shower thoughts that withered in the light of day.
besides, we all know coaster brakes are the most aero. |
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https://weightweenies.starbike.com/f...p?f=3&t=154692 Here's a summary of the results: Quote:
I've read the Cervelo white paper on the S5 Disc, which claims that the S5 Disc is faster than the previous S5 (no surprise there - every manufacturer claims their new bike is better than their old bike). But if you look closer, you'll see that they changed many aspects of the design (such as routing all the cables internally through the special stem, headset and fork). They mention how much power each change saved, and it adds up to more than the power saved by the whole bike - which implies that switching from rim to disc resulted in a power loss, for which they had to redesign other parts to make up for. |
It's a good thing these bikes will have discs, since with all the improved aero on the frame it might require greater application of brake forces to stop while coasting to a red light . At 5-8 mph, the average rider needs confidence they can stop comfortably and safely, with plenty of margin for error.
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