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Disc Pad Wear: Flat or Wedge-Shape Normal?



 
 
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  #1  
Old June 15th 11, 12:10 AM posted to rec.bicycles.tech
(PeteCresswell)
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Default Disc Pad Wear: Flat or Wedge-Shape Normal?

On a set of worn-out disc brake pads, is it normal for the
leading edge to be about a half mmm thicker than the trailing
edge?

Or should the wear be even across the pad?

Just replaced a set and the new pads *look* like they are
parallel to the rotor, but the worn-out pads were noticeably
wedge-shaped. viz: http://tinyurl.com/3rm7tu8

Normal? Or do I need to re-visit the caliper adjustment on the
new pads?
--
PeteCresswell
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  #2  
Old June 15th 11, 12:19 AM posted to rec.bicycles.tech
AMuzi
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Default Disc Pad Wear: Flat or Wedge-Shape Normal?

(PeteCresswell) wrote:
On a set of worn-out disc brake pads, is it normal for the
leading edge to be about a half mmm thicker than the trailing
edge?

Or should the wear be even across the pad?

Just replaced a set and the new pads *look* like they are
parallel to the rotor, but the worn-out pads were noticeably
wedge-shaped. viz: http://tinyurl.com/3rm7tu8

Normal? Or do I need to re-visit the caliper adjustment on the
new pads?


In theory, it ought to be even. In practice, nearly all look
like that.

Just the slop between pad and caliper is part of it. No big
deal and the are dirt cheap, easy to exchange often without
tools or maybe just a pliers to grab the pad base.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971
  #3  
Old June 15th 11, 12:22 AM posted to rec.bicycles.tech
kolldata
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Posts: 2,836
Default Disc Pad Wear: Flat or Wedge-Shape Normal?

entryentryentry if the entry was tighter than the exit side....?

eg on a door jamb ....your fridge door jamb

your safe ! surly you have safe riding disc brakes ?

stanley door gaskets.....

maybe .4mm is toomuch but what did you pay for your mil spec mechanism

anyway what's flat ?
  #4  
Old June 15th 11, 12:31 AM posted to rec.bicycles.tech
(PeteCresswell)
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Posts: 2,790
Default Disc Pad Wear: Flat or Wedge-Shape Normal?

Per AMuzi:
In theory, it ought to be even. In practice, nearly all look
like that.

Just the slop between pad and caliper is part of it. No big
deal and the are dirt cheap, easy to exchange often without
tools or maybe just a pliers to grab the pad base.



Another question.

This is the second set of pads I've replaced where squeaking went
away with new pads.

Eventually it's going to soak in that when the pads start
squeaking, maybe it's because they need replacing....

The Question: Is squeaking when the pads are worn just an
accident or is it designed in to the pads?
--
PeteCresswell
  #5  
Old June 15th 11, 12:35 AM posted to rec.bicycles.tech
kolldata
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Posts: 2,836
Default Disc Pad Wear: Flat or Wedge-Shape Normal?

YOUR PADS HAVE acquired ( eyeyeyhahahhha ach choired ) a brood of tiny
mice..

inspect with the magnifier......

 




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