Shimano will also continue to produce five-arm Hollowtech II chainsets in all popular gear combinations for the 105 group. Crank length options will be 165mm, 170mm, 172.5mm and 175mm.

With that said, we decided to review the new Shimano 105 R7100 Di2 groupset because even though not many triathletes might plan on upgrading their current bikes to 105 Di2, now that the groupsets ...

Shimano 105 Di2 R7100 shares many of the features of Shimano’s higher-end 12-speed groupsets, including semi-wireless shifting, with a central battery to power the derailleurs and a wireless ...

Shimano has officially unveiled the new 105 Di2 groupset, which comes with 12-speed wireless shifting technology. Previously only available in the Ultegra and Dura-Ace groupsets, Shimano has released ...

If the idea of wrist-twist is too taxing, perhaps an electronic shifter is the best option to get your meat-bag mobile. With the press of a button, the Shimano Di2 derailleur on this $10,000 ...