Originally Posted by labman
Just installed an FSA compact crankset, and when the chain is in the front 34 ring, and rear 12 cog there is a very slight rubbing of the chain against the inside of the 50 ring. I have adjusted everything possible, and can't get rid of it. I am using a Shimano HG chain. Should I try a different chain, or just learn to live with it? Any ideas?
Just stay out of the small cogs when in the 34! A narrower chain could work but is not the correct solution.. It even happens on many bikes with 39/53 rings depending on chainstay length.and chainline.