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 ...

As with Shimano’s other 12-speed groupsets, actually getting your hands on a bike with 105 Di2 is the tricky bit When you purchase through links on our site, we may earn an affiliate commission.

I don’t give a rat’s ass about Gravel… Not that gravel isn’t fun (and, well, selling a crapload of bike gear), but I’m also the kind of guy that’s turned down a dozen invites to Belgium because F>>k ...