The Shimano Ultegra R8100 Di2 groupset delivers pro-level performance in a refined, race-ready package built for serious road riders. Featuring Shimano’s latest 12-speed electronic shifting, it offers fast, precise gear changes with a semi-wireless cockpit for a clean, modern setup. The redesigned ergonomics improve comfort and control, while the updated braking system provides excellent modulation and confidence in all conditions. Borrowing key technology from Dura-Ace, Ultegra Di2 R8100 stands as a true top-tier groupset—combining elite-level performance, reliability, and efficiency for riders who demand the best.

Groupset includes:

• Shimano Ultegra Di2 ST-R8170 STI Shifters with Hydraulic Calipers (Left – Rear)
• Shimano Ultegra Di2 ST-R8170 STI Shifters with Hydraulic Calipers (Right – Front)
• Shimano Ultegra Di2 RD-R8150 Rear Derailleur (12-Speed)
• Shimano Ultegra Di2 FD-R8150 Front Derailleur (Braze-On, 12-Speed)
• Shimano Ultegra FC-R8100 Crankset (165mm, 52/36)
• Shimano CN-M8100 12-Speed Chain
• Shimano Ultegra CS-R8101 12-Speed Cassette (11–30T)
• Shimano BT-DN300 Internal Battery (3-Port)
• Shimano EW-EC300 Di2 USB Charging Cable
• Shimano EW-SD300 Di2 Electric Wire (1200mm)
• Shimano EW-SD300 Di2 Electric Wire (800mm)
• Shimano Ultegra RT-CL800 CentreLock Disc Rotor (140mm)
• Shimano Ultegra RT-CL800 CentreLock Disc Rotor (160mm)