Go Back  Bike Forums > Bike Forums > Bicycle Mechanics
Reload this Page >

Squealing disc brakes

Notices
Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

Squealing disc brakes

Old 07-05-20, 09:28 AM
  #1  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Squealing disc brakes

So my sram disc brakes on my gravel bike have started to make a lot of noise. So the other day, I cleaned the rotors and de-glazed the pads. I went out for a ride yesterday and they quickly started squealing again. The bike and pads are new as of last November. A rough estimate of maybe 1000 miles on them as I mainly ride once on the weekends and indoors during the week. I have no idea how long disc brake pads last. I ordered new ones so hopefully that will resolve the issue. Is there anything Iím missing or are the brake pads just finished? I didnít measure the wear when I removed them.
biketampa is offline  
Old 07-05-20, 06:19 PM
  #2  
Pop N Wood
Senior Member
 
Join Date: Jun 2020
Location: Maryland
Posts: 321

Bikes: 1982 Bianchi Sport SX, Rayleigh Tamland 1, Rans V-Rex recumbent, Fuji MTB, 80's Cannondale MTB with BBSHD ebike motor, 70's vintage Schwinn Continental and Suburban

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 158 Post(s)
Liked 112 Times in 81 Posts
I've had to deglaze rotors as well. Take the rotors off the bike, clean them with a solvent, than take a sander with 220 grit garnet paper to both the rotors and the pads. Just a light deglazing.

makes everything like new.

Oh, you probably know this but never touch the rotors or pads with your fingers. Even skin oil can cause them to squeal. Chain lube = disc brake death. If the pads got oil on them time for new pads.
Pop N Wood is offline  
Old 07-05-20, 07:36 PM
  #3  
Koyote
Senior Member
 
Join Date: Sep 2017
Posts: 1,694
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 922 Post(s)
Liked 799 Times in 395 Posts
It's easy enough to figure out whether the noise is coming from the front or rear brake; it's probably the front. If cleaning hasn't worked, replace the pads and that will probably solve your problem.

Brake pad life depends on many factors, so there is no set lifespan.
Koyote is offline  
Old 07-06-20, 08:07 AM
  #4  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Originally Posted by Koyote View Post
It's easy enough to figure out whether the noise is coming from the front or rear brake; it's probably the front. If cleaning hasn't worked, replace the pads and that will probably solve your problem.

Brake pad life depends on many factors, so there is no set lifespan.
definitely the front brake. Ordered new pads
biketampa is offline  
Old 07-06-20, 08:13 AM
  #5  
Juan Foote
LBKA (formerly punkncat)
 
Juan Foote's Avatar
 
Join Date: Jan 2010
Location: Jawja
Posts: 3,638

Bikes: Spec Roubaix SL4, GT Traffic 1.0

Mentioned: 12 Post(s)
Tagged: 0 Thread(s)
Quoted: 1152 Post(s)
Liked 129 Times in 97 Posts
biketampa Side note....are you Bike Tampa, as in History Bike Tampa?
Juan Foote is offline  
Old 07-06-20, 03:48 PM
  #6  
rydabent
Senior Member
 
Join Date: Apr 2010
Location: Lincoln Ne
Posts: 8,041

Bikes: RANS Stratus TerraTrike Tour II

Mentioned: 24 Post(s)
Tagged: 0 Thread(s)
Quoted: 1660 Post(s)
Liked 237 Times in 153 Posts
Make sure the caliper is holding the brake pads absolutely square and flat. Is there the same amount of spacers on both caliper mounts. What I am saying is this is akin to the fact that rim brake pads need some toe in to not squeal.
rydabent is offline  
Old 07-13-20, 03:47 PM
  #7  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Originally Posted by Juan Foote View Post
biketampa Side note....are you Bike Tampa, as in History Bike Tampa?

haha no. I donít know what history of bike Tampa is. I donít even live in Tampa anymore. I created the username when I lived there
biketampa is offline  
Old 07-13-20, 03:49 PM
  #8  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Iím still baffled on these brakes. I replaced the front brake pads. Also cleaned and sanded the front rotor just to be sure. Went for a ride. Really bad squealing. I checked the bolts that hold the brake on the fork and they were tight. Iím going to check other bolts.
biketampa is offline  
Old 07-13-20, 04:11 PM
  #9  
Pop N Wood
Senior Member
 
Join Date: Jun 2020
Location: Maryland
Posts: 321

Bikes: 1982 Bianchi Sport SX, Rayleigh Tamland 1, Rans V-Rex recumbent, Fuji MTB, 80's Cannondale MTB with BBSHD ebike motor, 70's vintage Schwinn Continental and Suburban

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 158 Post(s)
Liked 112 Times in 81 Posts
What type of pads? Resin or semi-metallic?
Pop N Wood is offline  
Old 07-13-20, 04:52 PM
  #10  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Originally Posted by Pop N Wood View Post
What type of pads? Resin or semi-metallic?
resin. Iím just surprised it was seemingly almost worse after. I maybe was expecting a little noise as I was braking them in but it was very loud. Iíve never had such issues with brakes. I did check the bolts holding the rotor and they were fine. The thru axle wasnít loose at all. It seems too loud to be something like the brake lever.
biketampa is offline  
Old 07-13-20, 06:08 PM
  #11  
fietsbob 
coprolite
 
fietsbob's Avatar
 
Join Date: Jun 2010
Location: NW,Oregon Coast
Posts: 42,752

Bikes: 8

Mentioned: 194 Post(s)
Tagged: 0 Thread(s)
Quoted: 7380 Post(s)
Liked 983 Times in 622 Posts
Only when wet , then I put in 'organic' compound pads.
fietsbob is offline  
Old 07-14-20, 05:20 AM
  #12  
Pop N Wood
Senior Member
 
Join Date: Jun 2020
Location: Maryland
Posts: 321

Bikes: 1982 Bianchi Sport SX, Rayleigh Tamland 1, Rans V-Rex recumbent, Fuji MTB, 80's Cannondale MTB with BBSHD ebike motor, 70's vintage Schwinn Continental and Suburban

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 158 Post(s)
Liked 112 Times in 81 Posts
The resin ones are typically the quiet ones.

Don't know what to tell you. Usually the sander trick works wonders. I'm sure you realize any bit of oil on the rotors, even from your fingers, can cause squeal? Alcohol or brake cleaner and lots of clean rags when messing with rotors.
Pop N Wood is offline  
Old 07-14-20, 06:33 AM
  #13  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Originally Posted by Pop N Wood View Post
The resin ones are typically the quiet ones.

Don't know what to tell you. Usually the sander trick works wonders. I'm sure you realize any bit of oil on the rotors, even from your fingers, can cause squeal? Alcohol or brake cleaner and lots of clean rags when messing with rotors.
yeah. Iím definitely baffled. I figured the resin ones would be quieter. I wore gloves when cleaning everything. Cleaned the rotors with alcohol. When they were still squealing I thought maybe some bolt was loose but everything is tight. Iím close to taking it into the shop.
biketampa is offline  
Old 07-18-20, 11:13 AM
  #14  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Originally Posted by Pop N Wood View Post
The resin ones are typically the quiet ones.

Don't know what to tell you. Usually the sander trick works wonders. I'm sure you realize any bit of oil on the rotors, even from your fingers, can cause squeal? Alcohol or brake cleaner and lots of clean rags when messing with rotors.
i ordered a new rotor. I tried sanding it more thoroughly and rode today. I feel like it was better initially then went back to squealing. Iím guessing the rotors were more glazed over than I realized.
biketampa is offline  
Old 07-18-20, 11:40 AM
  #15  
2old
Senior Member
 
Join Date: Jul 2014
Location: socal
Posts: 2,219
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 380 Post(s)
Liked 146 Times in 104 Posts
My solution for squealing SRAM (Avid) brakes (after trying the recommended "cures"). Procured Shimano for my wife, and mechanical for me.
2old is offline  
Old 07-18-20, 05:47 PM
  #16  
TiHabanero
Senior Member
 
Join Date: Nov 2012
Posts: 3,028
Mentioned: 12 Post(s)
Tagged: 0 Thread(s)
Quoted: 1040 Post(s)
Liked 320 Times in 174 Posts
Timely subject. Just wait until the calipers won't release from the rotors. It is coming, I promise you. 4 fricking bikes this week with Sram hydro brakes with this problem. 4 of them! It is just nuts.
TiHabanero is offline  
Old 07-19-20, 03:38 PM
  #17  
RowdyTI
Senior Member
 
Join Date: Aug 2017
Posts: 145
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 71 Post(s)
Liked 2 Times in 2 Posts
Originally Posted by TiHabanero View Post
Timely subject. Just wait until the calipers won't release from the rotors. It is coming, I promise you. 4 fricking bikes this week with Sram hydro brakes with this problem. 4 of them! It is just nuts.
That sounds very dangerous.
RowdyTI is offline  
Old 07-19-20, 06:51 PM
  #18  
GeneO
Senior Member
 
GeneO's Avatar
 
Join Date: May 2010
Location: midwest
Posts: 2,443

Bikes: 2018 Roubaix Expert Di2, 2016 Diverge Expert X1

Mentioned: 13 Post(s)
Tagged: 0 Thread(s)
Quoted: 459 Post(s)
Liked 99 Times in 69 Posts
Originally Posted by TiHabanero View Post
Timely subject. Just wait until the calipers won't release from the rotors. It is coming, I promise you. 4 fricking bikes this week with Sram hydro brakes with this problem. 4 of them! It is just nuts.
SRAM Force 1 Hydro for 4 years with no problem. When should I expect this?
GeneO is offline  
Old 07-19-20, 07:08 PM
  #19  
GeneO
Senior Member
 
GeneO's Avatar
 
Join Date: May 2010
Location: midwest
Posts: 2,443

Bikes: 2018 Roubaix Expert Di2, 2016 Diverge Expert X1

Mentioned: 13 Post(s)
Tagged: 0 Thread(s)
Quoted: 459 Post(s)
Liked 99 Times in 69 Posts
I had squealing like a turkey with my SRAM Force Hydros. I just recently got fed up with it and replaced the SRAM/Avid rotors with some Shimano RT-70 rotors and no more squealing.
GeneO is offline  
Old 07-19-20, 09:43 PM
  #20  
dwmckee
Senior Member
 
dwmckee's Avatar
 
Join Date: Jun 2008
Location: Pittsburgh, PA
Posts: 1,898

Bikes: Co-Motion Cappuccino Tandem,'88 Bob Jackson Touring, Co-Motion Cascadia Touring, Open U.P., Ritchie Titanium Breakaway, Frances Cycles SmallHaul cargo bike. Those are the permanent ones; others wander in and out of the stable occasionally as well.

Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 199 Post(s)
Likes: 0
Liked 80 Times in 51 Posts
I find rotors with an aluminum spider tend to be stiffer and less prone to squealing; not sure what you have...
dwmckee is offline  
Old 07-25-20, 01:35 PM
  #21  
biketampa
Senior Member
Thread Starter
 
Join Date: Jun 2014
Posts: 382

Bikes: 2014 Jamis Ventura Race, 2014 Cervelo P2, 2017 Raleigh Tamland 1, 2015 Jamis Trail X

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 136 Post(s)
Likes: 0
Liked 21 Times in 18 Posts
Originally Posted by dwmckee View Post
I find rotors with an aluminum spider tend to be stiffer and less prone to squealing; not sure what you have...
not sure. I just installed the replacement rotor and no squealing. Just surprised that sanding the old ones didnít do the trick.
biketampa is offline  
Old 07-25-20, 01:42 PM
  #22  
fietsbob 
coprolite
 
fietsbob's Avatar
 
Join Date: Jun 2010
Location: NW,Oregon Coast
Posts: 42,752

Bikes: 8

Mentioned: 194 Post(s)
Tagged: 0 Thread(s)
Quoted: 7380 Post(s)
Liked 983 Times in 622 Posts
Semi metallic pads chirped when its wet out, (I don't go fast) the Organic compound Did not, once I bedded them in..
[Avid BB7 Mtn, Kool Stop Replacement pads]

Chirping brakes work better than ringing my bell on the MUP..
fietsbob is offline  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information

Copyright © 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.