Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

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.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 08-18-14, 02:07 PM   #1
Robbo2015
Junior Member
Thread Starter
 
Join Date: Aug 2014
Bikes:
Posts: 16
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Problem with Elixir Rear Disc Brake

I have got a problem with my Elixir Rear Disc Brake. The Pads are brushing the disc. I have checked the disc and wheel and they seem fine. Do I need to adjust the pads or maybe replace them. Advice appreciated as I have never worked on disc brakes.
Robbo2015 is offline   Reply With Quote
Old 08-18-14, 03:08 PM   #2
FBinNY 
Senior Member
 
Join Date: Apr 2009
Location: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Posts: 29,960
Mentioned: 9 Post(s)
Tagged: 0 Thread(s)
Quoted: 362 Post(s)
Disc brakes are of 2 basic types. On some (most mechanical) only one puck moves, and on others, (most hydraulic) both move.

What you need to to is adjust the brake according to this basic design. If only one puck moves, adjust so the stationary puck just clears, then use the cable adjuster tor the moving one. If both move, the easiest way is to loosen the entire brake, apply brake forcke so it clamps to the disc, then tighten it in that position. When released both pucks should move off to decent clearance.

Two things that make adjusting harder are a warped disc, which like a warped bike wheel needs more clearance to not rub at the high spots. The other is a caliper not squared up to match the disc. This has the disc running between the pucks at an angle, and rubbing in back on one, and in front on the other. Since total travel is small, it's important that everything is straight and square.
__________________
FB
Chain-L site

An ounce of diagnosis is worth a pound of cure.

“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin

“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN

WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FBinNY is online now   Reply With Quote
Old 08-18-14, 04:58 PM   #3
tomacropod
ot.net slave
 
Join Date: Feb 2006
Location: Canberra, Australia
Bikes: Salsa mtb * 3, Intense mtb * 1, Abeni SS rd * 1, Salsa road/touring * 2, Trek Damn one * 1, Vintage/projects * many
Posts: 571
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
If both left and right pads are rubbing, you have to push the pistons back into the calliper. Of only one side is rubbing, loosen the calliper mounting bolts and slide it across until no rubbing. Googling 'elixir brake adjustment' will yield much better info than this forum.

-- joel
tomacropod is offline   Reply With Quote
Old 08-18-14, 07:49 PM   #4
asmac
Senior Member
 
asmac's Avatar
 
Join Date: Aug 2011
Location: Toronto ON CA
Bikes: Salsa Vaya
Posts: 997
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 28 Post(s)
I had those brakes and had the same problem. There was no solution except eventually to replace the elixirs wit Shimano XTs. No more rubbing.
asmac is offline   Reply With Quote
Old 08-18-14, 07:54 PM   #5
mconlonx 
Nobody
 
mconlonx's Avatar
 
Join Date: Jun 2007
Bikes:
Posts: 7,152
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 651 Post(s)
Quote:
Originally Posted by Robbo2015 View Post
Elixir Rear Disc Brake.
^ Problem.

v Solution.

Quote:
Originally Posted by asmac View Post
replace the elixirs with Shimano
Elixirs were problematic on a number of levels. If you are otherwise happy with them, follow FB's or tomacropod's advice; if you've never liked the feel and multiple bleed sessions per season, replace with Shimano.
__________________
I know next to nothing. I am frequently wrong.
mconlonx is offline   Reply With Quote
Old 08-19-14, 12:51 PM   #6
Robbo2015
Junior Member
Thread Starter
 
Join Date: Aug 2014
Bikes:
Posts: 16
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
If I have continued problems with these brakes I might invest in some Shimano XT Brakes. I have noticed that there alot cheaper on ebay if you buy then from Taiwan or Hong Kong. Anyone got any experience in buying bike parts from the far east.
Robbo2015 is offline   Reply With Quote
Old 08-19-14, 04:52 PM   #7
asmac
Senior Member
 
asmac's Avatar
 
Join Date: Aug 2011
Location: Toronto ON CA
Bikes: Salsa Vaya
Posts: 997
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 28 Post(s)
Is Northern Ireland in the far east? I've bought a lot of stuff from ChainReaction Cycles including my XT brakes. It's half the price I'd pay here and arrives in <1 week with no shipping charges or (in Canada) taxes or duties. Sorry to local shops but if the industry can't provide competitive pricing it isn't my problem.
asmac is offline   Reply With Quote
Old 08-19-14, 05:12 PM   #8
SlowJoeCrow
Senior Member
 
Join Date: Apr 2014
Location: Portland OR metro
Bikes: Redline Conquest Pro, Kona Cinder Cone, Trek Fuel EX8, Nashbar tandem
Posts: 382
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
My experience is with the older Avid Juicy brakes, which don't attract as much hate, but hydraulic disks generally work the same. If the pads are dragging, once you have eliminated warped rotors and misaligned calipers, check for proper pad retraction and if they are not pulling away form the disk bleed the caliper and then start looking at the piston seals. The springiness of the rubber piston seals is what retracts the pads in a hydraulic disk brake and if the seals lose their spring they need to be replaced, debris build up on the pistons can also inhibit pad retraction,
SlowJoeCrow is offline   Reply With Quote
Old 08-24-14, 09:59 AM   #9
Robbo2015
Junior Member
Thread Starter
 
Join Date: Aug 2014
Bikes:
Posts: 16
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks for all the great replies. Alot of good info in all the posts. Got to say this is a great forum. Been busy with work. Had some spare time today so took the brake apart. Firstly got to say - The design of the Elixir Brakes is very poor and cheap. The piece of metal that holds the pads apart is damaged. I tried to get the metal back in shape so I could go for a ride today. No luck so went for a ride with just a front brake. Took it easy as the ride was on a dirt track and it would be no good slamming on the front brake at the last minute. Not a good idea to ride like this, especially if you like hitting some speed and slamming on your rear brakes. Easy to forget you only have front brake after a while. I will order the new parts for the caliper. Plan on buying a Shimano XT group set in 2015. So hopefully the Elixir brakes will last until then.

Last edited by Robbo2015; 08-24-14 at 10:10 AM.
Robbo2015 is offline   Reply With Quote
Old 08-24-14, 05:13 PM   #10
tomacropod
ot.net slave
 
Join Date: Feb 2006
Location: Canberra, Australia
Bikes: Salsa mtb * 3, Intense mtb * 1, Abeni SS rd * 1, Salsa road/touring * 2, Trek Damn one * 1, Vintage/projects * many
Posts: 571
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
The pad spring can damaged when the pads wear down too far. A set of pads is supplied with a new pad spring. These and other dot fluid brakes should be bleed once every 12 months as the fluid deteriorates over time.

- joel
tomacropod is offline   Reply With Quote
Old 08-25-14, 01:32 AM   #11
Robbo2015
Junior Member
Thread Starter
 
Join Date: Aug 2014
Bikes:
Posts: 16
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by tomacropod View Post
The pad spring can damaged when the pads wear down too far. A set of pads is supplied with a new pad spring. These and other dot fluid brakes should be bleed once every 12 months as the fluid deteriorates over time.

- joel
I have ordered new Pads and Spring. The brakes havent been bleed since I bought the bike. I will attempt this for the first time. Should be fun.
Robbo2015 is offline   Reply With Quote
Old 08-25-14, 10:10 AM   #12
Robbo2015
Junior Member
Thread Starter
 
Join Date: Aug 2014
Bikes:
Posts: 16
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Big Mistake ordering the news Pads and Spring. I took off the back wheel today to change the tyre. I looked at the back brake again after I fitted the new tyre. The caliper is out of line. I will invest in some Shimano XT brakes. Just worried about the lugs that the caliper is bolted to. Hope I dont buy a new set of brakes and there's problems with the Lugs.
Robbo2015 is offline   Reply With Quote
Old 08-25-14, 10:19 AM   #13
FBinNY 
Senior Member
 
Join Date: Apr 2009
Location: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Posts: 29,960
Mentioned: 9 Post(s)
Tagged: 0 Thread(s)
Quoted: 362 Post(s)
Quote:
Originally Posted by Robbo2015 View Post
Big Mistake ordering the news Pads and Spring. I took off the back wheel today to change the tyre. I looked at the back brake again after I fitted the new tyre. The caliper is out of line. I will invest in some Shimano XT brakes. Just worried about the lugs that the caliper is bolted to. Hope I dont buy a new set of brakes and there's problems with the Lugs.
Some brakes and mounts have the means to not only move the brake sideways to find the disc, but also to adjust the angle so all is square. However this isn't true of all brakes and mounts. In a few cases I had to square up brand new bikes the old fashioned way, using a file.
__________________
FB
Chain-L site

An ounce of diagnosis is worth a pound of cure.

“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin

“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN

WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FBinNY is online now   Reply With Quote
Old 08-25-14, 10:32 AM   #14
FBinNY 
Senior Member
 
Join Date: Apr 2009
Location: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
Posts: 29,960
Mentioned: 9 Post(s)
Tagged: 0 Thread(s)
Quoted: 362 Post(s)
Quote:
Originally Posted by Robbo2015 View Post
Big Mistake ordering the news Pads and Spring. I took off the back wheel today to change the tyre. I looked at the back brake again after I fitted the new tyre. The caliper is out of line. I will invest in some Shimano XT brakes. Just worried about the lugs that the caliper is bolted to. Hope I dont buy a new set of brakes and there's problems with the Lugs.
Some brakes and mounts have the means to not only move the brake sideways to find the disc, but also to adjust the angle so all is square. However this isn't true of all brakes and mounts. In a few cases I had to square up brand new bikes the old fashioned way, using a file.
__________________
FB
Chain-L site

An ounce of diagnosis is worth a pound of cure.

“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin

“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN

WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FBinNY is online now   Reply With Quote
Old 08-25-14, 11:49 AM   #15
ragnar.jensen 
Senior Member
 
ragnar.jensen's Avatar
 
Join Date: Feb 2009
Location: Stockholm, Sweden
Bikes: Scott Spark 30, Scott Sportster 10,Chesini X-Uno, Miyata Century, Cannondale SuperSix
Posts: 146
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Quote:
Originally Posted by FBinNY View Post
Some brakes and mounts have the means to not only move the brake sideways to find the disc, but also to adjust the angle so all is square.
The Elixirs can do just that. They have domed washers that allow angle adjustments (they call it Caliper Positioning System - CPS)

Quote:
Originally Posted by Robbo2015 View Post
The caliper is out of line.
Have you tried to realign the caliper?


--
Ragnar
Attached Images
File Type: jpg avid-cps-180mm-post-mount-adaptor-hardware-kit.jpg (13.6 KB, 3 views)
File Type: png www.sram.com_mediapdfavidAVID_BrakeSetUp1.png (78.4 KB, 4 views)
File Type: png avid_cps.PNG (13.1 KB, 3 views)
ragnar.jensen is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

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



All times are GMT -6. The time now is 08:21 PM.