Precise & Clean Wireless Shifting: Wireless Di2 paired with HYPERGLIDE+ technology result in smooth, precise and instantaneous shifts
Wedge Shape: Shimano’s most survivable rear derailleur to-date avoids more direct impacts, and smoothly glances off rocks if there is a hit
Robust Design: A wide link structure, skid-plate design, durable carbon plate and solid pulley add robustness and longevity
RD Protection Function: A new automatic impact recovery function instantly returns the derailleur motor to its original position after impact
Protected Battery: Tucked safely inside an enclosed space, the battery won’t budge even in rough terrain, while remaining completely removable for charging
Shadow ES: A slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing Shadow concept
Available in Mid Cage (GS) or Long Cage (SGS) versions