Shimano Dura-Ace Di2 R9250 2x12 Rim Brake Groupset

If you want the fastest, most refined road groupset ever made—without compromise—Shimano Dura-Ace Di2 R9250 2x12 Rim Brake is the ultimate upgrade. At Bike Clinique, we’re fully manufacturer-trained and have extensive experience fitting Dura-Ace Di2 for discerning riders. You get a flawless install, expert setup, and the confidence of pro-level support.

Why Choose Dura-Ace Di2 R9250 Rim Brake at Bike Clinique?
Dura-Ace R9250 is the science of speed: every detail, from wireless lever-to-derailleur connections to the lightest, most aerodynamic rim brake calipers, is engineered to help you go faster. You get lightning-fast, fully customisable Di2 electronic shifting, a wide-range 12-speed cassette, and the legendary braking control that only rim brakes can deliver—all with a clean, cable-free cockpit.

What’s Included:

• Shifters: Dura-Ace Di2 ST-R9250 Dual Control Levers

• 2x12-speed, wired for ultimate reliability, SLR-EV rim brake compatibility

• Refined ergonomics, individually adjustable reach, and E-Tube app customisation for shift speed, button assignment, and more

• Brakes: Dura-Ace BR-R9200 Dual Pivot Calipers (Direct Mount options available)

• Sleek, lightweight, and powerful—engineered for predictable, linear braking and clearance for up to 28C tyres

• Crankset: Dura-Ace FC-R9200, 2x12-speed

• Available chainring options: 50-34T, 52-36T, 54-40T

• Hollowtech II arms for maximum stiffness and low weight

• Crank lengths: 160, 165, 170, 172.5, 175mm

• Front Derailleur: Dura-Ace Di2 FD-R9250, braze-on, 2x12-speed

• Compact, aerodynamic, and 45% faster than the previous generation

• Rear Derailleur: Dura-Ace Di2 RD-R9250 Shadow+, 2x12-speed

• Wireless system integration, low-profile design, compatible with 11-30T and 11-34T cassettes

• Cassette: Dura-Ace CS-R9200, 12-speed

• Choose 11-30T or 11-34T, Hyperglide+ for seamless, fast shifting under load, compatible with standard 11-speed freehub bodies

• Chain: CN-M9100 HG 12-speed, SIL-TEC for smooth, quiet, long-lasting performance

Specs at a Glance:

• 2x12-speed (Di2 electronic shifting)

• Crank Lengths: 160, 165, 170, 172.5, 175mm

• Chainring Options: 50-34, 52-36, 54-40T

• Cassette: 11-30T or 11-34T

• Brakes: Dual Pivot or Direct Mount rim calipers, SLR-EV

• Tyre Clearance: Up to 28C

• Freehub: Shimano 11/12-speed Road

• Color: Series color (black/silver)

How Does It Ride?
Dura-Ace Di2 R9250 Rim Brake is all about speed, precision, and classic road feel. Shifting is instant and flawless, the cockpit is clean and modern, and braking is powerful, linear, and confidence-inspiring—whether you’re descending at speed or sprinting for the line. Every detail is engineered for pro-level performance and reliability.

Why Trust Bike Clinique?
With full Shimano manufacturer training and years of hands-on experience, you get expert advice, a perfect install, and ongoing support. We’ll check your frame compatibility, walk you through crank and cassette options, and provide a clear estimate before any work begins.

Ready to ride the world’s fastest rim brake groupset?
Book a consultation, schedule your upgrade online, or call us on 07951125843. Pop into our Wimbledon workshop for a demo, get honest, jargon-free advice, and let us help you unlock the best of Shimano Dura-Ace for your next ride.