New ULTEGRA R8000 series is "pro-proven" as it is a direct trickle down from DURA-ACE groupset. As road bike component, the stress-free operation is one of the most important feature to lead all day riding comfort with braking and shifting.

Specifications:

Ultegra FC-R8100 Crankset w/ 170mm 50/34T or 52/36T

Ultegra Di2 ST-R8170 STI Brake/Shift Lever (Left + Right)

Ultegra BR-R8170 Disc Brake Caliper (Hydraulic, Flat Mount, Front + Rear)

Ultegra Di2 FD-R8150 Front Derailleur (2-Speed)

Ultegra Di2 RD-R8150 Rear Derailleur (12-Speed)

Ultegra CS-R8100 Cassette 10-30T or 11-34T

Deore XT CN-M8100 Chain (116 links, incl. Quick Link Chain Connector)

Deore XT RT-MT800 Disc Rotors (Centerlock, 140mm/160mm)

BT-DN300 Battery (Built-In Type)

EW-EC300 Charging Cable (1700 mm)

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