My wife and I have MY2001 Avid Mechanical disk brakes on our fullies, and have had a problem with "ringing" while riding. The brakes work great but the ringing was very annoying. These are the magnet-retained pad type Avids, and the pads would bounce between the magnets and the disc rotor while riding, causing the rotors to ring.
Newer Avids have springs to spread the pads, and no magnets.
I bought a bag of retaining springs (10 per bag, $15 shipped from Speedgoat), clipped off the long tabs with the eyelet at the end, and installed them on all 4 brake calipers.
BTW - currently running EBC green pads, and the retaining springs fit perfectly. Installation was only marginally more difficult that without the retaining springs, similar to the AMP floating-caliper disk brakes I used to have on my AMP B-4. Very little change in set-up.
Rode last night - no ringing, and only very slight rub from wheel flex. Barely detectible increase in lever force. But hey... NO RINGING!
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Thread: Avid mech's: fixed the ringing!
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