11 speed. Di2 R9150 Shifting System Includes: Dura-Ace Di2 Levers, Di2 Front Derailleur, Di2 Rear Derailleur, 3 port front junction box-A, 4 port rear junction box-B, 6 Wires and Battery.
Optional: Battery Charger and Battery Charger Cord Outlet.
Optional: SM-EWW01 Wireless Unit for Di2 System. (Learn More) Note: Wire is not included to Rear Derailleur and can be purchase separate.
Optional: For Shimano Battery Holders
Buy Shimano Dura-Ace R9150 Di2 7 piece Conversion Kit from Texas Cyclesport, A Better Bike Ride Begins Here.