Shimano Dura Ace RD-R9100 Rear Derailleur

The new DURA-ACE rear derailleur features Shimanos Shadow RD design, which gives the derailleur a lower profile and more stable operation.

• Stable shifting performance.
• Pulley follow-up in certain distance.
• SHIMANO SHADOW RD construction.
• Low profile rear derailleur design.
• Race endurance for less damage in crush.
• Adapted for race specific frame design.