The XT Di2 12-speed HyperGlide+ and 11-speed LinkGlide drivetrains are only compatible with e-bikes (and we didn’t hear a peep about future plans on that front). Shimano’s updated 2x12 GRX Di2 ...
Although 12-speed GRX now has a Di2 option, it’s limited to the 2x12 ... of gravel bikes. The levers also feature the same anti-slip surface using a plastic coating borrowed from Shimano ...