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Compressionless brake housing flexability?

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Compressionless brake housing flexability?

Old 05-17-16, 04:46 AM
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azza_333
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Compressionless brake housing flexability?

I was wondering if compressionless brake cable housing can be installed under bartape for drop bars, or will that be too tight a turn for it?
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Old 05-17-16, 05:05 AM
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Yes, it can. Jagwire Pro compressionless brake housing comes with a section of spiral housing to aid with the tight bend from the ramps to the tops of drop bars. I remove it as it partially defeats the purpose and still manage to bend the housing as needed to conform to the bars. In the past I used Yokozuna compressionless brake housings which did not come with a spiral section, were stiffer than the Jagwire housings, and was still able to get it to conform to the bars.

I like it as it noticeably firms up the brake levers. Jagwire black coated cables have really smooth action too.
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Old 05-17-16, 05:34 AM
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Dan Burkhart 
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Originally Posted by Looigi View Post
Yes, it can. Jagwire Pro compressionless brake housing comes with a section of spiral housing to aid with the tight bend from the ramps to the tops of drop bars. I remove it as it partially defeats the purpose and still manage to bend the housing as needed to conform to the bars. In the past I used Yokozuna compressionless brake housings which did not come with a spiral section, were stiffer than the Jagwire housings, and was still able to get it to conform to the bars.

I like it as it noticeably firms up the brake levers. Jagwire black coated cables have really smooth action too.
I would assume you are talking about housing kits for a single installation? If you are buying bulk housing on the roll, I don't see a way to have sections with spiral wound casing.
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Old 05-17-16, 07:10 AM
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Originally Posted by Looigi View Post
Yes, it can. Jagwire Pro compressionless brake housing comes with a section of spiral housing to aid with the tight bend from the ramps to the tops of drop bars. I remove it as it partially defeats the purpose and still manage to bend the housing as needed to conform to the bars. In the past I used Yokozuna compressionless brake housings which did not come with a spiral section, were stiffer than the Jagwire housings, and was still able to get it to conform to the bars.

I like it as it noticeably firms up the brake levers. Jagwire black coated cables have really smooth action too.
so I should have no issue with any of my cable runs I guess then.
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Old 05-17-16, 08:10 AM
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Jag wire also makes the same double ended housing ferrule, shimano used to include in their under tape brake kit with the plastic caterpillar that went between the cable & the tape.

the double ferrule taped down at the edge of the bar tape, so replacing just the exposed housing section could be done, leaving tape job undisturbed.

It seems to me a double ended ferrule can be added, on either side of the spiral square wire housing section you may add where flexibility is required.


Compressionless brake housing is as stiff as indexed shift housing , but adds a braided kevlar sheath for reinforcing the housing for brake forces.

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Old 05-17-16, 08:11 AM
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Originally Posted by Looigi View Post
Yes, it can. Jagwire Pro compressionless brake housing comes with a section of spiral housing to aid with the tight bend from the ramps to the tops of drop bars. I remove it as it partially defeats the purpose and still manage to bend the housing as needed to conform to the bars. In the past I used Yokozuna compressionless brake housings which did not come with a spiral section, were stiffer than the Jagwire housings, and was still able to get it to conform to the bars.

I like it as it noticeably firms up the brake levers. Jagwire black coated cables have really smooth action too.

Would compressionless cable housing be flexible enough to run the brake cables for the above picture, but routing the cables underneath the bar tape, without having to use the spiral section?
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Old 05-17-16, 08:16 AM
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Experiment and report your impressions.
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Old 05-18-16, 04:24 AM
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I ran full length compressionless brake housing under the bar tape on this bike with no issues. The external cables are shift cables.

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Old 05-18-16, 09:07 AM
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I recently did it with Yokozuna Reaction housing (though didn't do full length) It is a little trickier but you can certainly do it. It doesn't quite bend like normal housing so if you really need so super tight bends, compressionless isn't maybe for you.
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