Last year I built a rear cyclocross/touring wheel on the cheap: Sun Rhyno 29er, 14/15 spokes, Campy Mirage hub. I clean and lube the hub maybe twice per year. I occasionally ride with a rack and panniers. I tend to generate a decent amount of power, and as a result I have a history of breaking bits in the drivetrain. All that is to say: the rear wheel does experience quite a bit of load.
The Mirage hub recently began making noise. I would hear it when coasting. The noise was in addition to the usual, loud Campy ratcheting noise.
This week the rear hub began malfunctioning when coasting. It would re-engage.
I took the hub apart to clean and lube it. I couldn't find any obvious source of the problem. I noticed that on the pawl carrier, around each of the three pawls, the metal had deformed and was protruding in three spots above the otherwise smooth surface. I believe the pawl carrier makes contact with the bearing when the hub is assembled. There is zero play in the hub; the hub is not adjustable.
Could these tiny metal imperfections be causing my problem? I am interest in a repair (not a warranty replacement) because I don't want to disassemble an otherwise perfectly good wheel.
Thanks for any insight.
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Thread: Campy Mirage rear hub problem