Shimano Dura-Ace R9150-SS 11-Speed Di2 Short Cage Rear Derailleur

The DURA-ACE 9100 derailleur blends an aerodynamic SHADOW design with enhanced range options in a lightweight, attractive mechanism aimed at discerning road cyclists. The RD-9150 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting.

• Ergonomic shifting operation without stress
• SHIMANO synchronized shift
• Low profile rear derailleur design
• SHIMANO SHADOW RD
• Race endurance for less damage in crash
• Maintains compact and smooth appearance