Ultegra 6700 rear shifter starting to miss or fluff shifts, getting on a bit now and probably rather worn. I have a spare set of newish 105 (5700) shifters — has anyone successfully transplanted the 105 internals into the Ultegra body?
i'd check chain wear before following @pifko's suggestion
or check hanger alignment
both more likely to be the cause than the internals of the shifter
Chain is new and out-of-alignment hanger was checked and corrected
@dancing james started
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Ultegra 6700 rear shifter starting to miss or fluff shifts, getting on a bit now and probably rather worn. I have a spare set of newish 105 (5700) shifters — has anyone successfully transplanted the 105 internals into the Ultegra body?