The wireless connection between the shifters and derailleurs is the same as Shimano’s 12-speed Di2 road groupsets in that both derailleurs use a single internal battery to power them while the ...
Today, Shimano announced its new electronic 2×12 gravel drivetrain, GRX RX825 Di2. Rather than overhauling the system, Shimano has brought updated tech from its electronic road groups over to its 2×12 ...
PEZ readers may remember my Colnago V3 project bike with Ultegra R8000: “The shifting is light, crisp, and sure. Dura Ace is supposed to be better, but I’m not ...