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front canti brake sqeal

Old 07-16-21, 08:22 AM
  #1  
thehammerdog
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front canti brake sqeal

cantis on front make horrible sqealing noise.
what is fix.
pads relatively new.
just switched out wheels.
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Old 07-16-21, 08:41 AM
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Mr. 66
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Try resetting the pads at a slightly different angle to the rim
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Old 07-16-21, 09:22 AM
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Use a fork crown-mounted cable stop to remove the root cause of canti brake squeal/shudder.
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Old 07-16-21, 09:52 AM
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Normally, brake pad toe-in is the solution to this.
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Old 07-16-21, 10:04 AM
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Lots of good points here.

Pad toe-in is key. Additionally, pay attention to make sure the pivot-to-pad distances are as identical as possible so both arms are equidistant to the rim and the face of the pads are the hitting the rim at the same angle.
New pads on new rims can be really grabby and will get better as they wear-in in my experience.
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Old 07-16-21, 12:27 PM
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When I got new wheels for my CX bike, the cantilever brakes squealed and shuddered. I changed out Kool Stop black and salmon for Red Kool Stops, and the problem was solved. Red are softer, I believe.
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Old 07-16-21, 01:36 PM
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Last tip!
Sometimes the pads can pick up a lot of new particles on new rims, or get contaminated by grease or lubes (it doesn't take much). Once you're done fiddling with pad setup, grab some isopropyl alcohol and wipe the pads' braking surface and the brake track to pull off any grease and brake dust.
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Old 07-16-21, 06:08 PM
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thehammerdog
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Originally Posted by Unca_Sam View Post
Last tip!
Sometimes the pads can pick up a lot of new particles on new rims, or get contaminated by grease or lubes (it doesn't take much). Once you're done fiddling with pad setup, grab some isopropyl alcohol and wipe the pads' braking surface and the brake track to pull off any grease and brake dust.
All good advice.

thank you.

this is what i have
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Old 07-17-21, 07:48 AM
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Originally Posted by thehammerdog View Post
All good advice.

thank you.

this is what i have
But those are linear brakes?
Toe in still applies, as does pad to rim spacing and centering.
Canti shudder from unsupported brake cables won't happen here.
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Old 07-17-21, 12:22 PM
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Just to throw something else into the mix, check your wheel bearings. You mentioned new wheels, if these are factory new youíre probably fine. If these are new-to-you used wheels Iíd check them. Iíve made brake squeal go away by correcting loose hub bearings several times.
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