My bike's better than me!
Join Date: Feb 2005
Location: Northern Colorado
Bikes: (2) Moots Vamoots, (1) Cannondale T2000 tourer, (1) Diamondback Response Comp mtb
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When you're in the 53t is it noisy in all
the rear gears, or just in the larger ones? If it's just the larger one, you're hearing the result of cross-chaining--a bad thing.
You shouldn't use your 53 with your two biggest gears. Even more importantly: you shouldn't use your 39 with your two smallest gears.
If you weren't cross-chaining, review the ParkTools.com site for front derailleur adjustment to be sure your FD is set up correctly. You could be hitting the cage.
You say "rd rollers." If you mean the pulleys, it's possible that your RD cable tension is off (again: ParkTools.com can help you out), but, if that were the case, you'd likely have shifting issues with either ring.
If none of these sounds right to you, can you offer any more information? Does it shift ok under load? Is it only in particular gear combinations, or is it all
gears with your 53? Have you adjusted the front and rear derailleurs? Are your cables clean and lubed? Are your jockey pulleys clean (you can drip a little lightweight oil in them, or rebuild/replace them inexpensively)?
Need ... more ... info (at least I