Pretty odd, I've had a lot of people come in the shop over the years who have said they heard a weird clicking sound and found a chain kinked like this. Upon further questioning I've found that they had sucked a chain weeks before and just noticed it now.

My only other guess is that pushing a big gear like 50/11 from a stop the chain skipped as it came up and onto the 11t cog and tweaked. That being said you would have heard or felt a pop or shudder. Very odd. Pushing 50/11 from a stop would produce enough force to bend a chain though, that makes sense, but only if it misaligned up with the cog and got caught.


I would just put a new chain on it, and when you do have someone check the limiters, check that everything is in good running order and ESPECIALLY that your derailleur hanger isn't tweaked.