We’ve already spotted Shimano’s clutch-equipped Ultegra RX derailleur on the cobbled roads of Flanders. Now, Shimano is releasing the complete details of this addition to Shimano’s Ultegra line.
Shimano launched its electronic Dura-Ace road groupset, dubbed Di2 (Digital Integrated Intelligence), last year to acclaim from racers, riders and the press alike. Just about the only issue anyone had ...
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