Dura-Ace RD-R9150-SS Di2 Rear Derailleur - 11-Speed, Short Cage, Black

This Shimano Dura-Ace RD-R9150 Di2 Rear Derailleur is a precise, race-ready component for 11-speed drivetrains. Designed with a short cage configuration, it delivers crisp, reliable shifting performance suited to demanding road riding.

• Shimano Dura-Ace RD-R9150 series construction for confident performance.
• Di2 electronic shifting offers fast, consistent gear changes.
• Short cage design is optimized for standard cassettes and smooth chain management.
• 11-speed compatibility matches modern road groupsets.
• Finished in black to integrate cleanly with your build.