Brake chatter on CX forks
Join Date: Aug 2004
Location: Toronto, ON
Bikes: '04 Kona Jake, '05 Kona Stuff, '07 Specialized Langster
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I had the same issue when I too straightened out a chainline discrepancy: 45mm to 42mm. To remedy the situation I changed my chain and my cog, my cog was worn funny, actually it was just plain worn!
During the problem solving process I used a new chain on an old cog, and it made a ton of noise, the same clackity noise as yours. It's a very disturbing noise, and feeling. I kept the original chainring, and changed the cog, along with chain, with new ones and it rides quietly now. But at first it did make noise and felt a little bit crunchy, in the drivetrain. But over time the noise and crunchy drivetrain subsided.