Patent Patrol: Campagnolo’s curving wide-range derailleur, 13-speed cassettes, EPS buttons & more!

We’ve been hearing rumors and catching patents that suggest Campagnolo’s working on a 13-speed drivetrain for some time. Now, a fresh batch of four European patents suggest it’s pretty far along on some very advanced ideas. They range from a derailleur with a non-linear upper pulley path to a smoother shifting cassette, plus a more […]

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