There have been countless innovations to the rear derailleur over the years. These have included compatibility with an ever-increasing number of sprockets, the introduction of indexed shifting, STI ...

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 ...

We’ve been deep in Di2 rumors ever since Shimano bypassed XTR and released an ebike-only XT Di2 groupset in 2022. And the rumor mill only got louder when a new 2x-only GRX Di2 launched last spring… ...

Shimano’s flagship MTB race groupset, XTR, has been electric in the past, but the latest e-version was released in 2015 so there is almost a decade of electric shifting experience in the company since ...