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 ... derailleurs found in its 12-speed Di2 road groupsets, Dura-Ace, Ultegra and 105 Di2. As with those groupsets ...

Electrified Gravel Shimano first introduced GRX in 2019 with 1x11, 2x10, and 2x11 options, and electronic Di2 11-speed. While GRX mechanical was updated to 12-speed last summer, we’ve been ...

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.