Cycling Equipment · Public discussion

Brake pad compositon vs. rim composition

Started by Rex Kerr · · Last activity · 7 posts · 500 views

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Cycling Equipment
Published
21 February 2007
Last activity
22 February 2007
Original author
Rex Kerr
Posts
7
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Public discussion
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500
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  1. Recently I complained of the brake pads on my new Trek 520 picking up
    a lot of AL flakes and making horrible grinding noises. Anxious to
    get it back on the road (quietly) I stole the nearly brand new
    KoolStop dual compound pads off of my fixie and gave it the Avid pads
    instead. I immediately noticed that the Avid pads stopped much better
    on the fixie rim than the Kool Stops did, they no longer pick up metal
    pieces, and are quiet (whereas the Kool Stops squealed), yet the Kool
    Stops stop my Trek 520 much faster without the noise and without
    tearing up the rims.

    I guess I have to conclude that any one pad suggestion isn't perfect,
    it also depends on what type of rims you have...

  2. Rex Kerr said:

    Recently I complained of the brake pads on my new Trek 520 picking up
    a lot of AL flakes and making horrible grinding noises. Anxious to
    get it back on the road (quietly) I stole the nearly brand new
    KoolStop dual compound pads off of my fixie and gave it the Avid pads
    instead. I immediately noticed that the Avid pads stopped much better
    on the fixie rim than the Kool Stops did, they no longer pick up metal
    pieces, and are quiet (whereas the Kool Stops squealed), yet the Kool
    Stops stop my Trek 520 much faster without the noise and without
    tearing up the rims.

    I guess I have to conclude that any one pad suggestion isn't perfect,
    it also depends on what type of rims you have...


    It also depends how much slop there is in the brake mechanicals. Kool
    Stop salmon pads work well with a rigid brake, but need prodigious
    toe-in to stop them squealing on a more floppy setup, like my Tektro
    cantilevers.

  3. In article <45dc1e59.0@entanet>,

    Zog The Undeniable said:

    It also depends how much slop there is in the brake mechanicals. Kool
    Stop salmon pads work well with a rigid brake, but need prodigious
    toe-in to stop them squealing on a more floppy setup, like my Tektro
    cantilevers.

    Interesting comment. They work very well without any toe-in with Record
    calipers. 😉
    --

  4. Artoi said:

    In article <45dc1e59.0@entanet>,

    Zog The Undeniable said:

    It also depends how much slop there is in the brake mechanicals. Kool
    Stop salmon pads work well with a rigid brake, but need prodigious
    toe-in to stop them squealing on a more floppy setup, like my Tektro
    cantilevers.

    Interesting comment. They work very well without any toe-in with Record
    calipers. 😉
    --


    Same here with a 105 dual pivot.

  5. In article <45dc1e59.0@entanet>,

    Zog The Undeniable said:
    Rex Kerr said:

    Recently I complained of the brake pads on my new Trek 520 picking up
    a lot of AL flakes and making horrible grinding noises. Anxious to
    get it back on the road (quietly) I stole the nearly brand new
    KoolStop dual compound pads off of my fixie and gave it the Avid pads
    instead. I immediately noticed that the Avid pads stopped much better
    on the fixie rim than the Kool Stops did, they no longer pick up metal
    pieces, and are quiet (whereas the Kool Stops squealed), yet the Kool
    Stops stop my Trek 520 much faster without the noise and without
    tearing up the rims.

    I guess I have to conclude that any one pad suggestion isn't perfect,
    it also depends on what type of rims you have...


    It also depends how much slop there is in the brake mechanicals. Kool
    Stop salmon pads work well with a rigid brake, but need prodigious
    toe-in to stop them squealing on a more floppy setup, like my Tektro
    cantilevers.

    I have given up worrying about brake squeal, because it
    goes away.

    Also, I do not think people should bend their brake
    arms, as they risk fatigue fracture.

    --
    Michael Press

  6. Michael Press said:

    Zog The Undeniable <[email hidden]> wrote:

    Quoted message said:
    Quoted message said:

    It also depends how much slop there is in the brake mechanicals. Kool
    Stop salmon pads work well with a rigid brake, but need prodigious
    toe-in to stop them squealing on a more floppy setup, like my Tektro
    cantilevers.

    I have given up worrying about brake squeal, because it
    goes away.

    Are you certain it's not just hearing loss?

    Quoted message said:

    Also, I do not think people should bend their brake
    arms, as they risk fatigue fracture.

    Yikes. Remind me to never send you a bike for a tune-up. I'd
    recommend keeping the little fold-out "how-to guide" that comes with
    the brakes next time - sounds like it'd be instructional.

    Mark Hickey
    Habanero Cycles
    http://www.habcycles.com
    Home of the $795 ti frame

  7. In article
    <[email hidden]>,

    Mark Hickey said:
    Michael Press said:

    Zog The Undeniable <[email hidden]> wrote:

    Quoted message said:
    Quoted message said:

    It also depends how much slop there is in the brake mechanicals. Kool
    Stop salmon pads work well with a rigid brake, but need prodigious
    toe-in to stop them squealing on a more floppy setup, like my Tektro
    cantilevers.

    I have given up worrying about brake squeal, because it
    goes away.

    Are you certain it's not just hearing loss?

    What?

    Quoted message said:
    Quoted message said:

    Also, I do not think people should bend their brake
    arms, as they risk fatigue fracture.

    Yikes. Remind me to never send you a bike for a tune-up. I'd
    recommend keeping the little fold-out "how-to guide" that comes with
    the brakes next time - sounds like it'd be instructional.

    Yeah, I toed in some Universal model 59. Ten years
    later it failed. I learned my lesson.

    --
    Michael Press

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