Shimano has officially unveiled electronic shifting for its 12-speed GRX groupset, seeing it draw level with SRAM and Campagnolo equivalents. Named RX825, the new electronic components work in ...

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.

The Selle Italia SLR Boost Superflow saddle is a treat when you’re on it too, while the shifting comes from Shimano’s Ultegra Di2 groupset, and that as it turns out is one of the highlights here.