Old 05-20-19, 01:58 PM
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Originally Posted by dja1 View Post
One of the lads from cycling club looked at the bike today. When back pedalling stationary, he noticed that the chain was jumping off the casette slightly where it meets the teeth at the top of the casette. He thinks that the chain may be too wide for the casette, even thought it is a KMC-11 speed which is supposed to be compatible with shimano road derailleurs. Kind of hard to tell, but I do think it looks ever so slightly wider than the 11-sp shimano chain on his bike, so I'm thinking that I may try yet another chain. A shimano ultegra one this time, just like the old one I had on the bike which gave me no issues. Could this finally be the solution?
It would tick every box if it were the solution.

Could be someone opened the box and put the wrong chain back in, or it got mis-labeled somehow. I hate spending the extra money for Shimano stuff, but it looks like it's justified here, that's some really nice gear you're running. No point in having Dura Ace if it's not gonna run flawlessly.
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