For riders seeking a high-performance electronic groupset that balances elite-level performance with exceptional value, the Shimano Ultegra R8170 Di2 Disc Groupset delivers technology, design, and ride quality that exceeds expectations.

What is included:
1x SHIMANO shift | brake lever Ultegra Di2 ST-R8170 2x12-speed + disc brake BR-R8170 Flat Mount front
1x SHIMANO shift | brake lever Ultegra Di2 ST-R8170 2x12-speed + disc brake BR-R8170 Flat Mount rear
2x SHIMANO brake rotor Ultegra Center Lock RT-MT800 | 140mm/160 mm
1x SHIMANO crank Ultegra FC-R8100 
1x SHIMANO front derailleur Ultegra Di2 FD-R8150 | 2x12-speed
1x SHIMANO rear derailleur Ultegra Di2 RD-R8150 | 2x12-speed
1x SHIMANO cassette Ultegra CS-R8100 | 12-speed 11-34 teeth
1x SHIMANO chain Deore XT | Ultegra CN-M8100 12-speed | 126 links with chain lock
1x SHIMANO BT-DN300 internal battery
1x SHIMANO E-Tube cable for Di2 EW-SD300-I | 900 mm
1x SHIMANO E-Tube cable for Di2 EW-SD300-I | 1400 mm
1x SHIMANO charging cable EW-EC300