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06-08-06, 04:42 PM
I am running a wipperman chain on a campy record, 50/34 front, initially 11/23 rear, recently switched to 12/25, have about 1500 miles on it. Initially had a little noise from the rear der in a few of the smaller rear cogs, but since i switched to 12/25 it is getting worse. sounds like clickety clack clickety clack like not quite shifted right, worse going up hill or sprinting, less when spinning or softpedaling, and worse with smaller rear cogs, worse in little ring that big in front. My thought is maybe the chain has stretched a little and is too loose, or maybe a wipperman chain is too wide for my campy? appreciate any ideas or thoughts.