I've heard the 11spd Shimano road stuff has a different pull ratio so won't play nice with 10spd stuff.
It does use a different pull ratios, and the new Tiagra 4700 use similar ratio.
Thought so. Annoying, as the 5800 derailleurs looks to be much nicer than the 5700.
@hamrack started
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It does use a different pull ratios, and the new Tiagra 4700 use similar ratio.