Shimano Dura-Ace 9100 11-Speed Rear Derailleur - Mechanical
Shimano DURA-ACE 9100 11-Speed Rear Derailleur - Mechanical. The Shimano DURA-ACE 9100 mechanical rear derailleur is compact, lightweight, and has a sleek appearance. The 9100 mechanical rear derailleur is an 11-speed design with a 30T maximum sprocket, and a total capacity of 35T. It weighs just 158g and has been adapted for race-specific frame design. It features the Shimano Shadow construction, which the pulley maintains consistent distance to the cassette for increased shift stability, and it sustains less damage in a crash.
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