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 ...
It’s been two weeks since Shimano introduced wireless shifting for mountain bikes with the reintroduction of XTR Di2. They may be a bit late to the party, but Shimano is wasting little time rolling ...