Shimano Ultegra Di2 R8170 2x12 Speed Upgrade Kit

Purchase the Shimano Ultegra 12-Speed Upgrade Kit to convert your current setup to the all new 12-speed Shimano groupset. Backwards compatible with 11-Speed Road Cranks and SM-RT900, SM-RT800, RT-MT900 and RT-MT800 rotors

Groupset Includes:

ST-R8170 L & R 8170 Di2 Brake/Shifter 

FD-R8150 Di2 Front Derailleur

RD-R8150 Di2 Rear Derailleur

BR-R8170 Disc Brake Calipers flat mount front and rear. 

BT-DN300 Internal Battery

EW-FC300 Battery Charger Cable

2 x E-Tube Wires