15d
Cycling Weekly on MSNShimano 12-speed GRX Di2 long-term review: 2x shifting for off-road riding isn’t dead after allThanks to Shimano’s latest Di2 groupset, I’ve come to appreciate the benefits of 2x shifting all over again—even if Shimano plays it a bit too safe ...
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.
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