Join Date: Dec 2005
Location: Long Island, NY
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Your new cog and chain are fine. They may need a little time to break in, but I doubt that is the main source of your problem. It could be your chainring. I've had similar "roughness" problems with a cheap salsa chainring, which I finally swapped out for a good Sugino Messenger ring, and it totally smoothed out the DT.
Last edited by mihlbach; 11-03-09 at 11:28 AM.
Reason: Sorry, my original post was illogical, as jtgotsjets notes below. Its fixed now.