Shimano Deore Di2 M6200 is here and wireless, too. And it's quite a bit more affordable than XTR or XT Di2. Why would we ...

SRAM has extended the amazing braking performance from Red to lower-tiered groupsets, as well as a range of other features ...

Like XTR, XT Di2 accomplishes this with their new Shadow ES design, which packages the derailleur in a wedge shape to help impacts glance off to the outside. On bigger hits, the derailleur will enter ...

SRAM has new Force and Rival groups out for road or gravel, and BikeTiresDirect is giving you a chance to win one for ...

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 ...

While automatic gear-shifting for bikes isn't unheard of, such setups typically require batteries that have to be frequently recharged. This is not the case with Shimano's new Q'Auto system, however, ...