ULTEGRA R8150 Di2 COMPLETE GROUP

Regular price $2,719.80 USD
Regular price -10% $3,022.00 USD Sale price $2,719.80 USD
Crank Arm Length
Chainring Size

Shimano ULTEGRA R8150 Di2 12-Speed Complete Groupset

Pro-level Di2 performance—built for the real world.
Shimano ULTEGRA R8150 Di2 delivers the speed, precision, and confidence of a modern electronic race groupset with the durability and value riders trust for everyday training, long climbs, and hard weekend miles.

With fast 12-speed Di2 shifting, refined lever ergonomics, and powerful hydraulic braking, R8150 brings a clean, integrated cockpit feel and crisp gear changes under load—whether you’re chasing PRs, riding fondos, or building the ultimate do-it-all road machine.

Key Highlights

  • Wireless Di2 Shifting (Cockpit): Quick, precise shifting with a cleaner setup
  • 12-Speed Drivetrain: Tighter steps and an expanded range for better cadence control
  • Hydraulic Disc Braking: Confident power and smooth modulation in all conditions
  • Refined Ergonomics: Comfortable hood shape and secure lever feel on long rides
  • System Integration: Designed to work as one cohesive performance package

Included Components

Shifters & Brakes

  • BR-R8170-JKIT Brake Sets: ST-R8170 F&R + BR-R8170 F&R + SM-BH90 hoses
  • Hydraulic Brake Hoses: SM-BH90 1000mm & 1700mm
  • Rear Brake Adapter: SM-MA-R160 (140mm to 160mm)

Drivetrain

  • Crankset: FC-R8100 – 170mm, 52/36T
  • Cassette: CS-R8100 – 11-30T
  • Rear Derailleur: RD-R8150 Di2
  • Front Derailleur: FD-R8150 Di2
  • Chain: CN-M8100 12-Speed

Rotors

  • RT-CL800 Centerlock Rotors: 160mm Front & Rear

Di2 System

  • Internal Battery: BT-DN320
  • Di2 Wires: EW-SD300 – 900mm & 1200mm
  • Battery Charger: EW-EC300

Why ULTEGRA Di2?

ULTEGRA R8150 is the sweet spot for riders who want modern electronic shifting and confident braking without compromise. It’s crisp, reliable, and ready for the miles—race pace when you want it, everyday durability when you need it.

Fast. Precise. Ready for anything.

Shipping rates and eligibility are calculated at checkout.

All bikes are professionally assembled, tuned, and carefully repacked before shipping to ensure they arrive in perfect condition.

Please note that some brands and models are not eligible for shipping due to manufacturer restrictions.

For special delivery requests or white-glove transport, please contact us for a personalized quote.

For sales inquiries or custom build consultations, reach us at rob@categoryonecycles.com

For service appointments, repairs, or bike fitting, contact service@categoryonecycles.com

You can also reach us by phone at (610) 509-3554