Amazon.com: SHIMANO XT Di2 RD-M8050 Rear Derailleur One Color, Medium Cage : Everything Else
Shimano Introduces Three E-Bike Specific Di2 Groupsets and All-New EP6 Drive Unit - Mountain Bike Press Release - Vital MTB
Shimano Makes Electronic Shifting More Affordable With Deore XT Di2, Offers More Drop Bar Configurations and Bluetooth Connectivity - Page 7 of 8 - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media