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  • Hi mate. Thanks for your response.

    It's very inconsistent. When I have it in the stand sometimes it feels like it is dialled in only to start hesitating when I try and shift from smallest cog up again. Then with a little adjustment it shifts fine then all of a sudden hesitates on the way back down.

    As I say, really inconsistent. Not shifting like a brand new groupset should.

    Hangar? Freehub play? What you suggest?

  • I had this issue with a friends new Ultegra equipped Bianchi, trying to dial in the shifting never quite worked as it should. Tried new cables, outers etc etc. In desperation changed the derailleur and this fixed the problem. Examination revealed a weak return spring in the original (new ) derailleur.

  • Looks like I will take it back to shop who built the wheels and installed the groupset. Hear what they say about the play in the freehub. I will mention what you have said about weak return spring.
    Thanks

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