Shimano's GRX Di2 gravel groupset combines servo motors and the brand's HG+ cassettes for clean, crisp and fast shifting and ...
Shimano has officially unveiled electronic shifting for its 12-speed GRX groupset, seeing it draw ... as the MTB-specific XTR Di2 is only available as 2x11-speed at present, again with no 1x ...
In this case, Shimano went off book with their DI2 groupset, leaving [kwakeham] with a reverse engineering job on his hands. [kwakeham] gives us a great example of how to approach reverse engineering.