I have a (maybe irrational) hate for bar end shifters and a silver Rival group I want to use.
Fair enough. My experience of trying to run brifters on the tandem is shitty shifting. I think the frame flexs enough to screw with the indexing...
Di2 would solve this
Shouldn't be a problem with mine. It's rather overbuilt.
@hamrack started
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I have a (maybe irrational) hate for bar end shifters and a silver Rival group I want to use.