DURA-ACE R9250 Di2 12-SPEED COMPLETE GROUP
Shimano DURA-ACE R9250 Di2 12-Speed Complete Groupset
The pinnacle of road racing technology.
Shimano DURA-ACE R9250 Di2 represents the most advanced mechanical and electronic engineering Shimano has ever produced—designed for riders who demand flawless shifting, absolute braking control, and uncompromising performance.
Featuring lightning-fast wireless Di2 shifting, a refined 12-speed drivetrain, and Shimano’s most powerful hydraulic braking system to date, R9250 delivers race-winning precision with unmatched reliability. Every component is engineered to function as a unified system, maximizing efficiency, responsiveness, and control in all conditions.
Key Highlights
- Wireless Di2 Shifting (Cockpit): Instant gear changes with a clean, uncluttered setup
- 12-Speed Drivetrain: Wider range with tighter steps for optimal cadence control
- Class-Leading Hydraulic Braking: Exceptional modulation, power, and heat management
- Refined Ergonomics: Improved hood shape and lever feel for long, aggressive rides
- System-Level Integration: Designed as a complete performance ecosystem
Included Components
Shifters & Brakes
- BR-R9270-JKIT Brake Sets: ST-R9270 F&R + BR-R9270 F&R + SM-BH90 hoses
- Hydraulic Brake Hoses: SM-BH90 1000mm & 1700mm
- Rear Brake Adapter: SM-MA-R160 (140mm to 160mm)
Drivetrain
- Crankset: FC-R9200 – 170mm, 52/36T
- Cassette: CS-R9200 – 11-30T
- Rear Derailleur: RD-R9250 Di2
- Front Derailleur: FD-R9250 Di2
- Chain: CN-M9100 12-Speed
Rotors
- RT-CL900 Centerlock Rotors: 160mm Front & Rear (Ice Technologies FREEZA)
Di2 System
- Internal Battery: BT-DN320
- Di2 Wires: EW-SD300 – 900mm & 1200mm
- Battery Charger: EW-EC300
Why DURA-ACE?
DURA-ACE is the benchmark for professional road racing. Trusted at the highest levels of competition, R9250 Di2 delivers absolute confidence with every shift, every sprint, and every descent.
Engineered for racing. Refined for perfection.
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.
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For service appointments, repairs, or bike fitting, contact service@categoryonecycles.com
You can also reach us by phone at (610) 509-3554