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  1. #1
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    Do those donut spacers on your shifter cables really reduce noise?

    Hi

    Those donut spacers on the shifter cables, do they really reduce noise?
    Have you kept them or removed them?

    Just wondering...

  2. #2
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    They always end up migrating down to the end of the cable stop. If they "stick" where they are, then can reduce cable noise, but in all seriousness, the noise of the trail is much louder than any cable slap on my bike. I cut them off and have never bothered replacing them on subsequent cable changes.

  3. #3
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    Donuts don't help. First of all they migrate to the ends where they're totally useless. Also even when in place they might increase noise by narrowing the clearance between the frame and wire (or donut OD).

    There's not much you can do about noise but since the wires are light and the distance to the tube isn't all that small they shouldn't ever touch unless slack. My main concern is the wire scratching the frame when I carry the bike, so I cover the bare sections in thin plastic tubing (electrical spaghetti).

    Obviously this must be done when first installing the cable. If you do this be sure to cut the cover shorter than the distance between the cable stops, so it can float back and forth with the wire.
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  4. #4
    It's about showing up.
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    I use a heavy clear tape I got from the shop on my top tube. I did it to protect the finish but it deadens the ringing from the cable slap on my thin steel frame.
    I don't rattle.

  5. #5
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    I always thought those were there to keep the cable housings a little cleaner. My current bikes dont have any.

  6. #6
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    Quote Originally Posted by jkirkpatri View Post
    They always end up migrating down to the end of the cable stop. If they "stick" where they are, then can reduce cable noise, but in all seriousness, the noise of the trail is much louder than any cable slap on my bike. I cut them off and have never bothered replacing them on subsequent cable changes.
    Yeah, same thing here for my bike, thanks for confirming.

  7. #7
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    Quote Originally Posted by FBinNY View Post
    Donuts don't help. First of all they migrate to the ends where they're totally useless.
    Indeed. I never even use them. When I work on a bike that has 'em, I just toss 'em. Useless, annoying things they are.

  8. #8
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    i replaced my brake cable a couple weeks ago on my deck and just yesterday i noticed those little rubber donuts still sitting on the railing where i put them. didnt even know they were missing

  9. #9
    Mountain Man Dan
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    Mine all fell off.

  10. #10
    meatier showers
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    Full length housing FTW.

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  11. #11
    the catalan connection
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    I remember them quieting the " diiing- diiing" of the brake cable against a thin walled steel frame I had. No big deal to keep them in place, just some glue did the job. For shifter cables are not so necessary. So it seems, at least.
    "Blessed is the man who, having nothing to say, abstains from giving us wordly evidence of the fact." George Elliot

  12. #12
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    Another vote for full length housing.

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