• @fredtc @rhb yep - I've searched everywhere to troubleshoot but even maxing out limit screw, it's still about 10mm short of where it should be..

  • Did you tension the cable whilst the mech was in the small ring position? Even a tiny bit of slack fucks up the pull distance (again Shimano experience only).

  • Also, can you remove cable and push it over by hand as a test - that'll tell you if limit screws are adjusted to the right places.

  • You can also measure chainline to get an idea if your crank is correctly positioned. A road double crank (albeit Shimano, but probably v similar for Campagnolo) should have outer ring at 46 mm and inner ring at 41 mm outboard from the centre of the seat tube.

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