The Shimano Dura-Ace RD-R9150 Rear Derailleur delivers lightning-fast, precise electronic shifting in a sleek, compact design. Built for performance and reliability, it ensures seamless gear changes under load and across any terrain. With Shadow RD technology reducing profile and improving aerodynamics, it’s the choice for riders who demand pro-level performance and efficiency.

Key Features:

• Di2 electronic shifting for instant, accurate gear changes

• Shadow RD design for a low, aerodynamic profile

• Stable shifting performance, even under high torque

• Compatible with 11-speed Dura-Ace drivetrains

• Lightweight and race-ready construction