Details
Shimano ULTEGRA 6870 Di2 series with electronic shifting is "pro-proven" as it is a direct trickle down from their DURA-ACE group. It stands for state-of-the-art technology, proven in pro races, the technologies used in the new ULTEGRA 8670 series 11 speed, newly designed brakes, new chain treatment etc. The electronic shifting lets you concentrate on your performance.
Crankset: IFC6800CX04 Shimano Ultegra 6800 11-Speed 170mm 34/50t Crankset, Bottom Bracket Not Included
Chain: ICNHG70111116 Shimano Ultegra/XT HG701 11-Speed Chain
Cassette: ICS680011128 Shimano Ultegra 6800 11-Speed 11-28t Cassette
Front Derailleur: IFD6870F Shimano Ultegra 6870 Di2 11-Speed Front Derailleur
Rear Derailleur: IRD6870SS Shimano Ultegra 6870-SS 11-Speed Di2 Short Cage Rear Derailleur
Brake Levers: IST6870PA Shimano Ultegra 6870 Di2 11-Speed Double STI Lever Set
Brakes: IBR6800A82 Shimano Ultegra 6800 Brake Caliper Set
Battery: IBTDN1101 Shimano BT-DN1101 Internal Di2 Battery
Junction Boxes: ISMJC41 Shimano JC41 Di2 Internal Frame Junction Box 4-Port, ISMEW90A Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck
Charger: ISMBCR2 Shimano BCR2 Charger for internal Di2 Battery w/Charging Cord