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Shimano Ultegra — a high-performance road-cycling groupset blending precision shifting, reliable braking and excellent value. With smooth Hyperglide+ drivetrain action, optional Di2 electronic shifting, and advanced ICE-TECHNOLOGIES brakes, Ultegra delivers near-race-level performance for committed cyclists.
Shimano Ultegra — a high-performance road-cycling groupset blending precision shifting, reliable braking and excellent value. With smooth Hyperglide+ drivetrain action, optional Di2 electronic shifting, and advanced ICE-TECHNOLOGIES brakes, Ultegra delivers near-race-level performance for committed cyclists.
Shimano

Shimano Ultegra 12 Speed Disc Di2 Groupset: 50/34T 11-34T 170mm

£1,295.00 £2,369.95 45% off
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Pre-Launch

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Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Shimano Ultegra 12 Speed Disc Di2 Groupset: 50/34T 11-34T 170mm

Season:2025

Brand:Shimano

Code:FCR8100C04-GS

Shimano Ultegra is the ideal groupset for cyclists who want top-tier performance without paying flagship prices. Sitting just below Dura-Ace, Ultegra offers an exceptional balance of technology, reliability and value, making it a favourite with fast club riders, racers and endurance cyclists alike.

Key Features & Benefits

Smooth, Efficient Drivetrain
Ultegra’s advanced drivetrain delivers consistent, fluid gear changes even under load, making climbing, sprinting and acceleration feel seamless and controlled.

Di2 Electronic Shifting Option
Available with electronic shifting, Ultegra Di2 provides rapid, precise gear changes at the press of a button, giving riders a premium shifting experience with outstanding reliability.

Powerful, Controlled Braking
Ultegra braking systems offer strong, predictable stopping power in a wide range of conditions, ensuring confidence whether descending, riding in wet weather or braking late in fast groups.

Race-Proven Performance
With its lightweight construction and refined ergonomics, Ultegra is built for speed and endurance, supporting long training rides, competitive racing and high-intensity performance.

Integrated System Design
Every component is engineered to work together seamlessly – from drivetrain to brakes – delivering a cohesive and dependable ride experience.

Why Choose Shimano Ultegra?

Ultegra delivers much of the performance you’d expect from a flagship groupset but at a more accessible price point. It’s the smart choice for riders who want race-ready technology, day-to-day reliability and outstanding value in one complete package.

Technical Information

Shifters & Brakes

  • ST-R8170 / BR-R8170 Di2 Hydraulic Disc Lever & Calliper – Left / Rear

  • ST-R8170 / BR-R8170 Di2 Hydraulic Disc Lever & Calliper – Right / Front

Derailleurs

  • RD-R8150 Ultegra Di2 12-Speed Rear Derailleur

  • FD-R8150 Ultegra Di2 12-Speed Front Derailleur – Braze-On

Drivetrain

  • FC-R8100 Ultegra Chainset – 52/36T, 170 mm

  • FC-R8100 Ultegra Chainset – 50/34T, 170 mm

  • CS-R8101 Ultegra 12-Speed Cassette – 11–34T

  • CN-M8100 XT / Ultegra 12-Speed Chain – 126 links, Quick-Link

Braking System

  • RT-CL800 Centre-Lock Rotor – 160 mm (Front)

  • RT-CL800 Centre-Lock Rotor – 140 mm (Rear)

Di2 Power & Wiring

  • BT-DN300 Internal Di2 Battery

  • EW-EC300 Charging Cable – 1700 mm

  • EW-SD300 E-Tube Wire – 1000 mm

  • EW-SD300 E-Tube Wire – 1200 mm

Sizing Information
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