Electronic groupsets are ever-increasing in popularity and are near-ubiquitous in the pro peloton. The technology has trickled down to lower-tier road and mountain bike groupsets since the …

Shimano's latest and greatest Ultegra groupset is here in the form of the Ultegra Di2 R8100 Groupset and it’s phenomenal. It features a 12-speed cassette with a bigger gear range and fewer gear steps for smoother transitions.

For those who have only experienced mechanical shifting and ergonomics, Shimano R7170 105 Di2 represents a transformation of the road cycling experience. Groupset Includes: Chainset: Shimano 105 FC-R7100 with a choice of rings and crank lenghts

With technology trickling down from flagship Dura-Ace, Shimano's Ultegra R8170 Di2 Disc Groupset is better than it has ever been before. It perfectly balances performance with value, and the components are slick, reliable, and only create a …

Upgrade your current groupset to the high-performing Ultegra R8170 12-Speed Di2 Groupset, where electrical, hydraulic, and mechanical systems work together to create a smooth, efficient ride. Shifting is quicker and easier than ever before with Di2 wireless shifting, featuring a slightly longer curved hood that you to comfortably reach your ...

The all-new Di2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering the world's fastest, most reliable wireless shifting. Brake System The Ultegra R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point.

Buy your Shimano Ultegra R8150 Di2 Groupset - 12 Speed at Merlin. Free worldwide delivery available on most items!

New Di2 dual control levers feature dramatic, all-new ergonomics and act as the wireless command center on R7170, R8170 and R9270 Type Levers. Both DURA-ACE and Ultegra levers have a longer, slightly curved hood body for a more comfortable and secure grip.

Shimano Ultegra R8170 Hydraulic Di2 Groupset (less calipers & hoses) 12 speed. Bottom bracket, cassette, chain, crankset, Di2 8170 Shifting System Includes: Ultegra Di2 Levers, Di2 Front Derailleur, Di2 Rear Derailleur, Charging Cable, 2 Wires (800mm & 1400mm) and Battery.

When you want nothing but the best, the Dura-Ace R9200 Di2 electronic groupset is the right choice. Shimano's top-tier road group, this is what Tour de France pros ride. It's light, fast, and performs like no other.