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 ... and you can choose a 1x12-speed Di2 set-up for Deore XT, powered by the e-MTB’s main battery, so Shimano ...

It sails through its gears with a 12-speed Shimano XT Di2 groupset, and is inevitably the most expensive model at $6,400 USD. Source: YT Industries, Bike Rumor ...

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.