SHIMANO Derailleur Dura Ace RD-R9150 11-speed Di2 short cage

The DURA-ACE Di2 derailleur has an improved ergonomic design for better aerodynamics and compactness. SHIMANO Synchonized Shifting, durability in all weather conditions and fast and smooth shifting even at high torque. The low profile of the derailleur thanks to SHIMANO SHADOW RD technology prevents frequent impacts and damage. Technologies used: SHIMANO SHADOW RD, Synchronized Shifting, Di2

Type: ROAD, Total package weight: 342g, 11 speed, Arm type: SS-Short arm, Shadow RD, Mounting type: Direct mount, Capacity: 35 teeth, black, Material: Aluminum / Steel

The performance and precision of Di2 is unrivaled. It allows for beautifully smooth shifting. Virtually maintenance-free: once you customize your Di2 set to your liking, you'll never want anything else. The DURA-ACE Di2 groupset is thoroughly tested by professional riders in the peloton. Trouble-free use in everyday weather conditions is a key element that contributes to flawless braking and shifting comfort during training, racing or weekend rides.