Shimano Dura Ace Di2 Rear Derailleur - RD-9070
msrp: $760.00Price: $759.00
overviewPrecise, lightning-fast shifts across an 11-speed cassette, whatever the conditions, with just a button click. The 9070 rear derailleur is now more compact and lighter, with E-tube connection to simplify installation. And automatic crash protection moves the cage out of harm's way.
Ship date: March 2013