BikeRumor on MSN14d
Shimano Patents Point to All-New XTR Di2, XT Di2, Deore Di2 & maybe even GRX Di2?
Bike rumors suggest all-new wireless electronic Shimano XTR Di2 is coming soon. But now we think there'll be XT & Deore Di2, ...
Hackaday2y
Adding Electronic Shifter Functionality To Bicycle Derailleur
with everyone from Shimano (Di2) to Archer and others coming up with their own version. Some of these require replacing the existing derailleur, while others should allow for non-destructive ...