Shimano XT Di2 8050 mountain bike group unveiled, debuts wireless setup for all Di2 - Bikerumor
Shimano finally launches new Di2 MTB groupset (but it's only for ebikes) - BikeRadar
New SHIMANO 105 Di2 Delivers 12-Speed Shifting and Wireless Performance to More Riders | SHIMANO BIKE-US
Shimano XT Di2 8050 mountain bike group unveiled, debuts wireless setup for all Di2 - Bikerumor
First Look: Shimano Brings Electronic Di2 Tech Down to Deore XT, Adds Wireless Connectivity and 11-46 Cassette Option - Mountain Bike Feature - Vital MTB
Shimano is developing a new axle-mounted Di2 wireless derailleur and it could be released soon | BikePerfect
First Ride: Shimano's Auto-Shifting XT Di2 Linkglide Drivetrain - Pinkbike
Shimano resurrects electronic shifting for MTB, but with a caveat