Ok, let's get this out of the way first: We don't usually (or ever) review groupsets. There are a few reasons for this--availability, novelty, and (quite frankly) interest. Also, not a ton of ...

If you’re looking for a mid-range road bike, it’s likely it will come with either a Shimano Ultegra or 105 Di2 groupset. Both of these performance groupsets from Shimano have electronic shifting, ...

Launched in March 2026, Shimano Tiagra R4000 offers an appealing alternative to the brand's 105 R7100 mechanical groupset, with the company's latest-generation features and a more affordable price.