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.
We take years to give you seconds. The pinnacle of Shimano road technology and innovation, the new 12-speed ULTEGRA R8100 group is our fastest, most inspired drivetrains ever. The Science of Speed, Shimano’s design philosophy for its latest road groups, is comprised of five elements: a new Di2 platform, a refined interface, the addition of Hyperglide+, a category redefining brake system, and a collection of new wheels.
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.
CS-R8100 Cassette 11-30T or 11-34T
CN-M8100 12 Speed Chain
BT-DN300 Internal Battery
EW-FC300 Battery Charger Cable
2 x E-Tube Wires