Shimano’s electronic groupsets give you crisp, precise gear shifts and are now commonplace on the bikes of professional cyclists. Shimano Di2 is also a popular option for riders buying a new bike or ...
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 ...