Isn't 6700/7900 the point where they changed the pull ratio of the front mech, so ST-6700 shifters won't work with FD-7800?
I believe this is correct. So new cables and front and rear mech needed.
Also given how much worn cables can affect shifting you really should recable all the things.
@dancing james started
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I believe this is correct. So new cables and front and rear mech needed.
Also given how much worn cables can affect shifting you really should recable all the things.