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Rim Brakes - Stopping power and Moudlation - Need Options

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Rim Brakes - Stopping power and Moudlation - Need Options

Old 03-15-17, 06:17 PM
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B1KE
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Rim Brakes - Stopping power and Moudlation - Need Options

Hey Everyone,

Currently have a Roubaix SL4 and I love it however the brakes it came with are Axis 1.0, they are at best decent but I want to improve the stopping power and modulation of them. Would an upgrade to say Ultegerra brakes make a big difference in stopping power and modulation?
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Old 03-15-17, 06:22 PM
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Switch to Kool Stop pads. It makes more of a difference than expected.
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Old 03-15-17, 06:23 PM
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B1KE
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Originally Posted by DXchulo
Switch to Kool Stop pads. It makes more of a difference than expected.
% wise how much of an improvement can I expect when having the Axis 1.0 rotars with the Kool Stop pads?

% wise if I changed to Ultegerra brakes and put in Kool stop pads how much improvement would their be?
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Old 03-15-17, 07:25 PM
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Originally Posted by B1KE
% wise how much of an improvement can I expect when having the Axis 1.0 rotars with the Kool Stop pads?
Axis brakes have no "rotars". They are caliper brakes.
The answer is 42.8% precisely.

Originally Posted by B1KE
% wise if I changed to Ultegerra brakes and put in Kool stop pads how much improvement would their be?
Exactly 27.3%.

Assuming that "Ultegerra" in your language means Shimano Ultegra.
English as a second language?
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Old 03-15-17, 07:51 PM
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Yes. Do it. Well worth it. Get 6800 brakes and not 6700. They will make a noticeable difference.

Those axis brakes were installed to save money not to really compete with Shimano. So they wont be near comparable in performance. The general impression is the 6800 brakes perform identically to Dura Ace. They are based on the same design. They will be mated perfectly to the cable pull of your STI levers so they will modulate exactly as they were designed and intended to. They also have a mechanical advantage compared to other calipers because their design uses a roller cam mechanism which increases the force to the rim. So power is aplenty. The pads included with Shimano calipers are also decent i have found. They use a soft compound similar to the koolstops. The koolstop do have the edge overall though. I would wear out the original pads first then upgrade to Koolstop's to further improve them.
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Old 03-15-17, 07:53 PM
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Originally Posted by IK_biker
Axis brakes have no "rotars". They are caliper brakes.
The answer is 42.8% precisely.


Exactly 27.3%.

Assuming that "Ultegerra" in your language means Shimano Ultegra.
English as a second language?
No just typing fast on a forum and trying to gauge if it's a worthwhile upgrade. Thanks for your opinion. Appreciate your help.
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Old 03-15-17, 07:54 PM
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Originally Posted by trailflow1
Yes. Do it. Well worth it. Get 6800 brakes and not 6700. They will make a noticeable difference.

Those axis brakes were installed to save money not to really compete with Shimano. So they wont be near comparable in performance. The general impression is the 6800 brakes perform identically to Dura Ace. They are based on the same design. They will be mated perfectly to the cable pull of your STI levers so they will modulate exactly as they were designed and intended to. They also have a mechanical advantage compared to other calipers because their design uses a roller cam mechanism which increases the force to the rim. So power is aplenty. The pads included with Shimano calipers are also decent i have found. They use a soft compound similar to the koolstops. The koolstop do have the edge overall though. I would wear out the original pads first then upgrade to Koolstop's to further improve them.
Amazing! Just what I needed. Thank you for your advice.
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Old 03-16-17, 08:21 AM
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Originally Posted by trailflow1
Yes. Do it. Well worth it. Get 6800 brakes.
+1


6800 brakes are great.
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Old 03-16-17, 08:33 AM
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Originally Posted by IK_biker
Axis brakes have no "rotars". They are caliper brakes.
The answer is 42.8% precisely.


Exactly 27.3%.

Assuming that "Ultegerra" in your language means Shimano Ultegra.
English as a second language?

I switched from Axis to Ultegra on my Tarmac. 38.35% was the exact difference in my experience on carbon wheels.
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Old 03-16-17, 09:42 AM
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Originally Posted by B1KE
Hey Everyone,

Currently have a Roubaix SL4 and I love it however the brakes it came with are Axis 1.0, they are at best decent but I want to improve the stopping power and modulation of them. Would an upgrade to say Ultegerra brakes make a big difference in stopping power and modulation?


Based on my personal experience, they're all the same if you don't climb much.


I like SwissStop most for long and steep descent.
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Old 03-16-17, 01:08 PM
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Originally Posted by DXchulo
Switch to Kool Stop pads. It makes more of a difference than expected.
723% better.

All jokes aside just buy the kool stop pads they're great.
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Old 03-16-17, 04:00 PM
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Um, it's pronounced "Ultra gear", not Ultegerra, thank you very much.
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Old 03-17-17, 01:14 AM
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Switching from inferior calipers to Shimano 105 on my wifes bike made a great difference to her. She's not a bike nerd so it was a big difference for her to notice. I changed them unbeknownst to her after she complained and she noticed right away.

Ultegra would have similar effect but better looking and lighter.
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