ULTEGRA R8150 Di2 COMPLETE GROUP
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