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A tiny question

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Old 06-02-17 | 06:56 AM
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A tiny question

In search of marginal gains in bicycle appearance (I already have color-matching presto stem caps...)

I have external cable routing, in which the rear brake cable runs along the bottom of the top tube. The little rubber rings (i think they are called donuts???) Always slide back toward the seat tube, and so (1) don't do their job of keeping the cable away from the paint, and (2) look silly.

What can I do?
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Old 06-02-17 | 07:19 AM
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Are they really necessary? I don't have it on any of my bikes and don't have problems with the cable contacting the TT. Get rid of them. They're like the dork disk on your rear wheel.
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Old 06-02-17 | 07:22 AM
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and (2) look silly

Cut them off maybe, especially if they don't work?

If it was me, and I wanted it to look neat and keep the cable from touching, I'd slide a short piece of shrink tubing over it. But, anything you put on the cable, if it rubs very much it will still eventually scuff the paint off so maybe you're better off with just the cable.
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Old 06-02-17 | 07:27 AM
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Originally Posted by 12strings
In search of marginal gains in bicycle appearance (I already have color-matching presto stem caps...)

I have external cable routing, in which the rear brake cable runs along the bottom of the top tube. The little rubber rings (i think they are called donuts???) Always slide back toward the seat tube, and so (1) don't do their job of keeping the cable away from the paint, and (2) look silly.

What can I do?
You could...
Position them correctly...that is far enough away from where the cable goes into the housing...and then apply just a very small (tiny) amount of rubber cement to hold it in place. That shouldn't interfere with the operation, and would be easy enough to remove if/when you need to remove the cable.

Dan
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Old 06-02-17 | 07:35 AM
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or maybe paint them the same color as your matching prestos ...
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Old 06-02-17 | 07:40 AM
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Originally Posted by _ForceD_
You could...
Position them correctly...that is far enough away from where the cable goes into the housing...and then apply just a very small (tiny) amount of rubber cement to hold it in place. That shouldn't interfere with the operation, and would be easy enough to remove if/when you need to remove the cable.

Dan
This is the answer.

I dealt with sliding donuts for >15 years and really anything will do - nail polish, rubber cement, a little hot glue, RTV silicone gasket sealer... Whatever is handy.
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Old 06-02-17 | 11:40 AM
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Originally Posted by 12strings
In search of marginal gains in bicycle appearance (I already have color-matching presto stem caps...)

What can I do?
The right answer when looking for marginal gains is to ditch the valve caps.
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Old 06-02-17 | 12:11 PM
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Originally Posted by evrythngsgngrn
The right answer when looking for marginal gains is to ditch the valve caps.
But I have purpose for valve caps! Valve caps indicate tubeless conversions. No valve cap is for inner tubes, where you don't care about it getting gunked up (because it's disposable).
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Old 06-02-17 | 12:30 PM
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Originally Posted by evrythngsgngrn
The right answer when looking for marginal gains is to ditch the valve caps.
1. I'm going for marginal APPEARANCE gains, hence the shiny blue aluminum valve caps.

2. I don't do "marginal" performance gains. I work hard for 3-4 weeks, make LARGE gains, then slack off for a few weeks and lose it all...and repeat...
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Old 06-02-17 | 01:55 PM
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Originally Posted by 12strings
1. I'm going for marginal APPEARANCE gains, hence the shiny blue aluminum valve caps.
That doesn't sell it as a gain, appearance or otherwise.
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Old 06-02-17 | 02:30 PM
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Originally Posted by _ForceD_
You could...
Position them correctly...that is far enough away from where the cable goes into the housing...and then apply just a very small (tiny) amount of rubber cement to hold it in place. That shouldn't interfere with the operation, and would be easy enough to remove if/when you need to remove the cable.

Dan
This, or remove them and put some tape on your frame between the cable. 3M make a nice thick clear tape.
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