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nicemonkey
 Post subject: Disc brake cover
PostPosted: Mon Nov 05, 2012 10:58 am 
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Posts: 67
Does anyone know of a disc brake cover like they use in motocross to protect the discs from mud...and pads wearing out?
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Zen Cyclery
 Post subject: Re: Disc brake cover
PostPosted: Mon Nov 05, 2012 4:23 pm 
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Posts: 1134
Location: McCall, ID
I haven't seen any for bicycles.
Why do you want one? Have you had issues getting debris in your calipers, or are you just trying to do some preventative maintenance?

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nicemonkey
 Post subject: Re: Disc brake cover
PostPosted: Mon Nov 05, 2012 4:37 pm 
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Doing a 4 hour event at (Thetford) at the weekend by 2 hours in the brakes were gone completely. It happened to nearly everyone as it was so wet and the soil sandy/gritty. This is not the first time I have raced there and had this issue.
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Zen Cyclery
 Post subject: Re: Disc brake cover
PostPosted: Mon Nov 05, 2012 4:56 pm 
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Are you running a metallic pad? This could be contributing to the lack of braking. If you go with an organic option, it should help to increase the stopping power in those sketchy conditions.

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TheRookie
 Post subject: Re: Disc brake cover
PostPosted: Mon Nov 05, 2012 5:01 pm 
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Joined: Wed Jan 18, 2012 4:23 pm
Posts: 320
Location: Midlands, United Kingdom
WHAT....

Organic pads get wrecked in no time in muddy/gritty/sandy conditions - which it sounds like is what happened here, he wants to run sintered.

If a guard is sealed enough to stop muck getting in, the brakes overheat, it's not like your racing in a roostertail from a bike in front like MXers are!

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Last edited by TheRookie on Mon Nov 05, 2012 5:05 pm, edited 1 time in total.

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nicemonkey
 Post subject: Re: Disc brake cover
PostPosted: Mon Nov 05, 2012 5:03 pm 
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It wasn't stopping power, the pads were down to the bare metal. I did a quick survey of what people were running and the compound didn't seem to make any difference. It doesn't happen every muddy ride just in this particular region because of the soil make up.
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Zen Cyclery
 Post subject: Re: Disc brake cover
PostPosted: Mon Nov 05, 2012 8:14 pm 
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TheRookie wrote:
WHAT....

Organic pads get wrecked in no time in muddy/gritty/sandy conditions - which it sounds like is what happened here, he wants to run sintered.

If a guard is sealed enough to stop muck getting in, the brakes overheat, it's not like your racing in a roostertail from a bike in front like MXers are!


Well, organic pads definitely wear more quickly than sintered, but the modulation on an organic pad is consistently better.

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TheRookie
 Post subject: Re: Disc brake cover
PostPosted: Mon Nov 05, 2012 8:40 pm 
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Location: Midlands, United Kingdom
Yes but his pads wore out, sintered last upto 4 times longer in mucky conditions....

Running a more open disc like Ashima or Alligator help as well by letting the much out the interface.

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the_marsbar
 Post subject: Re: Disc brake cover
PostPosted: Tue Nov 06, 2012 7:14 am 
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Joined: Wed May 13, 2009 5:23 pm
Posts: 416
Location: Denmark
Are the pads not retracting fully? Make sure to use silicone lube for the pistons once in a while... I had the same problem.
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StanleyJ
 Post subject: Re: Disc brake cover
PostPosted: Tue Nov 06, 2012 7:44 pm 
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Joined: Fri Mar 05, 2010 8:20 am
Posts: 14
nicemonkey wrote:
Doing a 4 hour event at (Thetford) at the weekend by 2 hours in the brakes were gone completely. It happened to nearly everyone as it was so wet and the soil sandy/gritty. This is not the first time I have raced there and had this issue.


Pace Cycles (remember them?) are supposed to have "Dalby Proof" sintered pads for a whole bunch of brakes:

http://www.facebook.com/photo.php?fbid= ... nt_count=1

Might be worth givin' 'em a call and try them out, assuming already available... and not too Yorkshire for you?
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