Shimano Dura-Ace R9250 Di2 Rim Brake Groupset

The Shimano Dura-Ace 9200 Di2 Rim Brake groupset represents the pinnacle of road racing performance, combining ultra-precise electronic shifting with the lightweight efficiency of rim brakes. Built for speed, reliability, and uncompromising control, this 12-speed groupset delivers faster shifting, refined ergonomics, and race-proven durability in Shimano’s most advanced rim brake platform.

Who It’s For
This groupset is ideal for competitive road racers, performance-focused riders, and enthusiasts building a top-tier lightweight bike. It’s especially suited to riders who prefer the simplicity, weight savings, and classic feel of rim brakes without sacrificing modern electronic shifting performance.

Shimano Dura-Ace 12-Speed Rim Brake Calipers
Engineered for maximum stopping power with minimal weight, the Dura-Ace rim brake calipers provide smooth, predictable braking and excellent modulation. The dual-pivot design improves control and clearance while maintaining the lightweight performance demanded by elite road riders.

Shimano Dura-Ace Di2 12-Speed Front Derailleur
The Di2 front derailleur delivers lightning-fast, silent shifts with automatic trim for flawless chain alignment. Its compact design improves clearance and aerodynamics, while the powerful Di2 motor ensures precise shifting even under heavy load.

Shimano Dura-Ace RD-R9250 Di2 12-Speed E-Tube Rear Derailleur
At the heart of the Di2 system, the rear derailleur features Shimano’s wireless shifting technology for instant response and exceptional accuracy. It also acts as the system’s charging hub, offering clean integration and consistent performance across the entire cassette range.

Shimano Dura-Ace 12-Speed Chainset
The Dura-Ace chainset is optimized for stiffness, balance, and efficient power transfer. Hollowtech II crank arms reduce weight while maintaining rigidity, ensuring every watt of effort is delivered directly to the drivetrain with race-level efficiency.

Shimano Dura-Ace R9200 12-Speed Cassette
Designed for smooth and rapid gear transitions, the 12-speed Dura-Ace cassette uses advanced machining to reduce weight without sacrificing durability. It delivers crisp shifting and a refined cadence range for high-speed riding and steep climbs alike.

Shimano XT CN-M8100 12-Speed Chain
The XT 12-speed chain offers excellent durability and smooth engagement with Shimano’s Hyperglide+ drivetrain. Its optimized design enhances shifting performance under load while maintaining long-term reliability for high-mileage riders.

Shimano R9250 Dura-Ace Di2 12-Speed STI Shifters
Ergonomically refined for comfort and control, the Dura-Ace Di2 STI shifters provide intuitive button placement and a secure grip. Wireless Di2 shifting ensures instantaneous gear changes, customizable controls, and a clean cockpit setup tailored to elite road performance.

Specification

Ideal for: top-level groupset for road riding, road racing Performance and race-ready groupset for training, racing and lightweight performance 2x12-speed, semi-wireless electronic groupset Rear derailleur is quick, smooth and effortless, for unmatched drivetrain efficiency Rear derailleur's compact design includes an integrated wireless unit, charger, and switch Button on the rear derailleur for Di2 operations, and LED light denotes synchronised shift mode, setting mode and charge requirements Rear derailleur wirelessly connects to the shifters Low profile Shadow derailleur design Ultegra wireless hydraulic Servo Wave disc brake Di2 STI levers give you control, modulation and power with minimal effort in all riding conditions Levers use CR1632 batteries which last for approximately 1.5-2 years Improved ergonomic design Hyperglide+ technology in the sprockets and chain improves shifting under load

What's In The Box?

Shimano Dura-Ace R9250 Di2 12-Speed Shifters Shimano Dura-Ace BR-R9200 Rim Brake Calipers Shimano Dura-Ace R9200 12-Speed Chainset Note: Chainset is available in a range of crank lengths and sizes, please select you size Shimano Dura-Ace R9250 Di2 12-Speed Rear Derailleur Shimano Dura-Ace Di2 12-Speed Front Derailleur, braze-on Shimano Dura-Ace R9200 12-Speed Cassette Shimano CN-M1800 Chain Shimano BB-R60 Bottom Bracket Shimano EW-SD300 E-Tube Di2 Electric Wire 1200mm Shimano EW-SD300 E-Tube Di2 Electric Wire - 1000mm Shimano Di2 BT-DN300 Internal Mount Battery Shimano EW-EC300 STEPS Battery Charging Cable If you require shorter SD300 E-Tube Di2 Wire lengths please put a note in your order notes.