At the rear, the electronic derailleur is compatible with ... 58 percent at the rear and 45 percent at the front relative to standard Hyperglide. Shimano has ported to GRX RX825 Di2 the wireless ...

With the new Ultegra RX derailleur, Shimano expands compatibility to mechanical road shifting and suggests there is a benefit in having a clutch rear derailleur with double front chain rings when ...

with everyone from Shimano (Di2) to Archer and others coming up with their own version. Some of these require replacing the existing derailleur, while others should allow for non-destructive ...

Is a new SRAM Force AXS groupset around the corner? It sure looks like it, with updated levers borrowed from Red AXS and new derailleurs.

I’ll let pictures do as much of the talking as possible. Shimano 105 Di2 Hydraulic Disc Brake Dual Control Levers (2×12-speed) – Left (front derailleur/brake) and Right (rear derailleur/brake) ...