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 ...
There is an upset in the natural order of things. Shimano 105, since its inception, has always been the go-to option for the enthusiast. Those riders who don’t race, but enjoy a fast club ride on the ...