2013 Shimano RD-6770 Di2 Ultegra Rear Derailleur 10-Speed

Image of 2013 Shimano RD-6770 Di2 Ultegra Rear Derailleur 10-Speed
Category: Bicycle parts
Shimano
617395108497
Shimano Ultegra Di2 RD-6770-SS Rear DerailleurFeatures:Programmed automatic motionElectric adjustmentSaver function protects inner structure from heavy impactWide gear ratio compatible (11-28T)Max rear sprocket is 28T10 SpeedUltegra Only. Will not work with Dura-Ace Di2Actual Weight: 283 GramsBrand New: Does not include retail packaging