Shimano Granted Another FCC Wireless Approval for Derailleur & Control - Pinkbike
Shimano electronic shifting for tri - Slowtwitch.com
Di2 | SHIMANO BIKE COMPONENT
Shimano Makes Electronic Shifting More Affordable With Deore XT Di2, Offers More Drop Bar Configurations and Bluetooth Connectivity - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media
Shimano: we've tested wireless shifting but there's no demand for it | Cycling Weekly
7 reasons why you should get electronic shifting | road.cc
Di2 | SHIMANO BIKE COMPONENT
Shimano resurrects electronic shifting for MTB, but with a caveat