Unleash the turbo: Ultegra Di2 8170 for performance fans
Experience the pure science of speed with the Ultegra Di2 8170. This electronic groupset takes your road cycling performance to a new level. Shift faster, brake smarter, adjust more easily. Feel maximum control and comfort. Whether racing, doing fast training sessions, or enjoying long rides with friends: only your performance and riding enjoyment matter.
Innovation that inspires
The Ultegra Di2 8170 groupset impresses with outstanding shifting technology and lightning-fast gear changes. The system combines precision and ease of maintenance with state-of-the-art ergonomics – for a cockpit that not only works but also motivates you. Beyond its modern look, the setup scores points with its intuitive operation and genuine racing DNA.
Whether Alpine pass or club outing
With 12 gears, optimized chain guidance, and hydraulic disc brakes, you're ready for anything. Enjoy whisper-quiet braking performance, customization options via the Shimano E-Tube app, and a crisp, fast shifting feel on every ride. Anyone who wants to ride faster, farther, and with more control can't go wrong with this groupset.
specification
| feature |
Description |
| Number of gears |
2x12 |
| App support |
Shimano E-Tube (individual setting) |
| brakes |
Hydraulic disc brake |
| Weight |
approx. 2.5 kg |
| cassette |
11-34 teeth |
| Rear derailleur max. sprocket size |
34 teeth |
| Crank ratio |
52/36 teeth or 50/34 teeth |
| Switching system |
Electronic, wireless shift levers, rear derailleur and front derailleur connected to the battery via shift cable. |
| Technologies |
HyperGlide+ (drive), Servo Wave Action (brakes) |
Scope of delivery
1 x Shimano Ultegra Di2 R8170 complete groupset
Includes:
1 x Shimano ULTEGRA FC-R8100 crankset
1 x Shimano SM-BB72-41B Hollowtech II Press Fit bottom bracket
1 x Shimano ULTEGRA Di2 ST-R8170+BR-R8170 2x12-speed Disc Brake Set (incl. unassembled brake hose)
1 x Shimano ULTEGRA Di2 FD-R8150 2x12-speed front derailleur for braze-on mounts
1 x Shimano ULTEGRA Di2 RD-R8150 12-speed rear derailleur
1 x Shimano ULTEGRA CS-R8100 12-speed cassette 11-34 teeth
1 x Shimano XT CN-M8100 12-speed chain incl. Quick-Link SM-CN910-12
1 x Shimano BT-DN300 Di2 Battery for seatpost mounting (internal)
1 x Shimano EW-EC300 charging cable USB Type A
1 x Shimano Di2 EW-SD300-I cable 700mm for internal routing
1 x Shimano Di2 EW-SD300-I cable 1400mm for internal routing
2 x Shimano RT-MT800 Center-Lock Disc Rotor 160mm incl. lockring
