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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 11-07-05, 04:41 PM   #1
srowpoke
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Disk brake noise!

so i have a redline disk-r, and the disk brakes are an endless source of annoyance. they usually stop well at speed, and make a horrible racket at low speed. sometimes they actually resonate in a way that keeps the pad from generating much useful friction, i.e. scary no stop situation. i have to let off, and pull again, trying to avoid the same resonance. i'm running the stock bronze pads. also i'm heavy(275 lbs) and tax them more than most people would. i opted away from canti's because of my past life on the trails. they are adjusted to avid's specs, i used to be a bike mechanic, so it's not like i ham fisted the adjustment.
does anyone have experience with other pads like ebc or kool stop? are there any tricks i'm missing? just as a side note, this frame flexes immensly under my weight. skipping gears when i stand (despite being in adjustment on the stand), its possible the caliper mounts are flexing enough to cause some misalignment, but i'd like to hear other people's experience. shoulda gone for some steel instead!
Mike
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Old 11-07-05, 08:45 PM   #2
Thor29
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Avid mechanical brakes tend to go out of adjustment pretty quickly. I would suggest realigning the calipers first (loosen up bolts, use red knobs to grab disc, tighten mounting bolts, back off pads). Then make sure that the disc isn't lined up too close to the inside (could be hitting the caliper instead of the pad). Get the inboard pad as close as possible to the disc without dragging. When you grab the brake lever the disc should not deflect very much at all. If all that doesn't work, try the kool stop pads.
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