Dura Ace Di2 9170 and Ultegra Di2 8070 mix?
Moderator: robbosmans
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@RussellS, Shimano is offering an 11-34 cassette to work with the 8050 GS long-cage derailleur. FYI, this cassette is designed to fit onto 10-speed freehubs and comes with a spacer for it to fit on the 11-speed freehubs.
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my dura ace 9070 di2 left shifter, bare one, is 116 grams heavy?hannawald wrote: ↑Sun Oct 22, 2017 12:50 pmyes, it would make perfect sense, if the dura shifters were lighter, but official claimed weight is the same - 160g per shifter. So I am thinking whether to wait for cheaper 8070 or go for 9170. In terms of functionality i don´t expect any difference.
(I have 785 levers and the only reasons to upgrade is shaving 150g and 2 buttons I can use for Garmin control - if the weight is same between 8070 and 9170 shifters, I can happily ride 8070)
Shimano offers 11-34 and SRAM as well. I have Ultegra 11-34T cassette.