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Squealing brakes

Started by curt · · Last activity · 5 posts · 742 views

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Road Cycling
Published
14 May 2004
Last activity
15 May 2004
Original author
curt
Posts
5
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Public discussion
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Topics
Brake pads

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  1. Original post
    curt
    Archived post
    #1

    I did a search for this and found some info, but maybe need some more
    opinions. I have Scott Superbrakes on my Road Bike with Campy brakes. They
    have been toed-in along time ago, but squeal like mad. They are pretty old
    pads and had a very smooth surface and squealed, but I was told to scuff
    them down with some sand paper to make them soft again. Well, they are much
    softer but squeal much worse than before. I have the brakes set as close to
    the tire as possible to get the most coverage.

    Any tricks to getting rid of the squeal? Should I get new pads? If so, any
    suggestions? I have a ride on Sunday and really hope to get this resolved.

    Thanks,
    Curt

    Report
  2. neil0502
    Archived post
    #2
    Curt said:

    Any tricks to getting rid of the squeal? Should I get new pads? If
    so, any suggestions? I have a ride on Sunday and really hope to get
    this resolved.
    Thanks, Curt

    I'm sure no expert, but--having had a similar issue--gathered some of
    the following along the way....

    -are the brake arms properly torqued to the (properly greased) braze-ons

    -start with good compound pads (Sheldon Brown has good info, and seems
    partial to: http://www.sheldonbrown.com/harris/brakeshoes.html )

    -adjust, adjust, and re-adjust the brakes

    -clean the rims with a scotch-brite pad (or equivalent) and isopropyl
    alcohol or acetone

    -using ~200 grit sandpaper and a truing stand (or some other method to
    ensure consistent application of sandpaper-to-rim-surface contact
    pressure -- some tape the paper to their brake pads then squeeze....),
    run the sandpaper lightly around the rims. Ensures a clean surface

    -clean with alcohol/acetone and scotch-brite pad again

    Good luck!

    --

    Report
  3. neil0502
    Archived post
    #3
    Curt said:

    Any tricks to getting rid of the squeal? Should I get new pads? If
    so, any suggestions? I have a ride on Sunday and really hope to get
    this resolved.
    Thanks, Curt

    I'm sure no expert, but--having had a similar issue--gathered some of
    the following along the way....

    -are the brake arms properly torqued to the (properly greased) braze-ons

    -start with good compound pads (Sheldon Brown has good info, and seems
    partial to: http://www.sheldonbrown.com/harris/brakeshoes.html )

    -adjust, adjust, and re-adjust the brakes

    -clean the rims with a scotch-brite pad (or equivalent) and isopropyl
    alcohol or acetone

    -using ~200 grit sandpaper and a truing stand (or some other method to
    ensure consistent application of sandpaper-to-rim-surface contact
    pressure -- some tape the paper to their brake pads then squeeze....),
    run the sandpaper lightly around the rims. Ensures a clean surface

    -clean with alcohol/acetone and scotch-brite pad again

    Good luck!

    --

    Report
  4. curt
    Archived post
    #4

    Thanks Neil.

    I got them quiet now. I readjusted them and toed them more and they are
    great. I was hoping not to have to buy new pads right now. I need a new
    helmet and am trying not to spend much.

    Thanks again,
    Curt

    "neil0502" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:
    Curt said:

    Any tricks to getting rid of the squeal? Should I get new pads? If
    so, any suggestions? I have a ride on Sunday and really hope to get
    this resolved.
    Thanks, Curt

    I'm sure no expert, but--having had a similar issue--gathered some of
    the following along the way....

    -are the brake arms properly torqued to the (properly greased) braze-ons

    -start with good compound pads (Sheldon Brown has good info, and seems
    partial to: http://www.sheldonbrown.com/harris/brakeshoes.html )

    -adjust, adjust, and re-adjust the brakes

    -clean the rims with a scotch-brite pad (or equivalent) and isopropyl
    alcohol or acetone

    -using ~200 grit sandpaper and a truing stand (or some other method to
    ensure consistent application of sandpaper-to-rim-surface contact
    pressure -- some tape the paper to their brake pads then squeeze....),
    run the sandpaper lightly around the rims. Ensures a clean surface

    -clean with alcohol/acetone and scotch-brite pad again

    Good luck!

    --

    Report
  5. The Real Bev
    Archived post
    #5
    neil0502 said:

    -using ~200 grit sandpaper and a truing stand (or some other method to
    ensure consistent application of sandpaper-to-rim-surface contact
    pressure -- some tape the paper to their brake pads then squeeze....),
    run the sandpaper lightly around the rims. Ensures a clean surface

    -clean with alcohol/acetone and scotch-brite pad again

    Inspect the pad(s) for embedded grit/metal/whatever.

    --
    Cheers, Bev
    --------------------------------------------------------------
    "Never keep up with the Joneses. Drag them down to your level.
    It's cheaper." -- Quentin Crisp 1908 - 1999

    Report

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