My TT bike has thick dropouts that gave me alignment problems with campagnolo 10 and 11 speed.

To be able to shift the full gamut I had to remove the rear derailleur fixing bolt circlip.

On the 11 speed 2009 version that is the same as the 10 speed it was easy to remove and put it back.

On the 2011 version, not so, it is a full circle and I haven't found a way to remove it,

Has anybody of you removed it or know about a reference video or other ?

Thanks a lot

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