In stock and ready to ship. We have 165MM, 170MM, 172.5MM and 175MM Cranksets available with both chainring configurations. 

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.

Groupset Includes:

FC-R8100 Crankset or FC-R8100-P: Dual Leg Power Meter Crankset (available in 6-8weeks)

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

CN-M8100 12 Speed Chain

BT-DN300 Internal Battery

EW-FC300 Battery Charger Cable

2 x E-Tube Wires 

2x RT-MT800 Disc Rotors or 2x RT-MT900 Disc Rotors (+85.00)