Shimano Dura Ace Di2 Shadow E-Tube DM rear derailleur

Elevate your ride with the SHIMANO Dura-Ace Di2 RD-R9250 rear derailleur. Experience the pinnacle of 12-speed road cycling performance, featuring the fastest-ever rear shifting at 58% quicker than its predecessor. This intelligent, compact unit integrates wireless connectivity and charging, streamlining your bike´s aesthetics and aerodynamics. Enjoy unparalleled precision and reliability, even under maximum load. Its single cage design accommodates a versatile 28-34T low sprocket range, perfect for any terrain. Crafted from lightweight CFRP with a protected Shadow RD design, it offers maximum rigidity and durability. Control and diagnostics are at your fingertips via the integrated LED status indicator