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Shimano Dura-Ace Di2 RD-R9250 12V Rear

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Shimano Dura-Ace Di2 RD-R9250 12V Rear Derailleur

The Shimano Dura-Ace Di2 RD-R9250 12V is a high-end drivetrain component that has been designed to provide exceptional performance on road bikes. This rear derailleur features a carbon fibre construction that makes it extremely lightweight and durable. In addition, it incorporates electronic technology that enables precise and smooth gear changes.... moreThe R9250 also has fast and precise shifting capabilities, even under high stress loads, making it an excellent choice for professional cyclists and enthusiasts looking for the best in cycling equipment.Features:Use: RoadFastest rear derailleur ever, 58% faster than RD-R9150Compact design includes integrated wireless unit, charger and switchLED status indicatorBattery indicatorPairingSetting mode Increased range capacityMax. low sprocket: 34DCFRP shift plateSpeeds: 12
Deporvillage.co.uk
Delivery: in United Kingdom
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£483.66
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Shimano Dura Ace Di2 Shadow E-tube Dm Rear Derailleur

SHIMANO Dura-Ace Di2 RD-R9250 Shadow 12-Speed Rear DerailleurElevate your road cycling to its ultimate potential with the SHIMANO Dura-Ace Di2 RD-R9250 Shadow E-Tube DM Rear Derailleur, the absolute pinnacle of drivetrain technology. Engineered for cyclists who refuse to compromise, this rear gear is the central nervous system of the 12-speed Di2 p... morelatform, delivering a level of speed and precision that redefines performance. It is more than a component, it is your decisive advantage on the road, whether you are attacking a climb, sprinting for the finish line, or navigating a fast-paced peloton.The Dura-Ace RD-R9250 integrates the system charging port and a wireless connectivity unit, all while delivering super fast, precise shifting worthy of any podium. A single cage length that is compatible with 28-34T low sprockets brings new versatility to the world´s best road component group. This intelligent design streamlines your bike´s aesthetics and aerodynamics by housing the system´s brain in a compact, protected unit. The result is an incredibly clean and efficient setup that performs flawlessly under the most demanding conditions.Experience a monumental leap in shifting performance. This derailleur offers the fastest-ever rear shifting from SHIMANO, a staggering 58% faster than the previous generation RD-R9150. This incredible speed means gear changes are instantaneous, reliable, and perfectly smooth, even under maximum pedaling load. You can shift with absolute confidence, knowing the chain will move to the intended cog with digital precision every single time, allowing you to maintain your rhythm and power output without interruption.The integrated, compact design is a marvel of engineering, consolidating the wireless unit, the charging port, and the function switch into one sleek package. This eliminates the need for extra wires or junctions, simplifying installation and maintenance. At a glance, the integrated LED status indicator provides critical information, displaying current battery level, pairing status for components, and giving access to adjustment modes, putting full control and system diagnostics right at your fingertips.Versatility is at the core of the RD-R9250. With an expanded wider range capacity, a single cage design now accommodates a maximum low sprocket of 34T. This gives riders unprecedented freedom to choose the perfect cassette for any terrain, from flat criteriums to grueling mountain stages, without needing to change derailleurs. This adaptability ensures you always have the right gear for the moment. Built with a lightweight yet incredibly strong CFRP (Carbon Fiber Reinforced Polymer) rear derailleur plate, the construction ensures maximum rigidity for crisp shifting while shaving precious grams, contributing to a lighter, faster machine. The proven SHIMANO Shadow RD low-profile design tucks the derailleur safely under the cassette, protecting it from potential damage and ensuring consistent performance.Technical
Bikeinn
Delivery: in United Kingdom
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£483.99
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Shimano Dura-Ace Di2 R9250 12-Speed Rear Derailleur RDR9250

Shimano Dura-Ace Di2 R9250 12-Speed Rear Derailleur The Shimano Dura-Ace Di2 R9250 Rear Derailleur acts as the brain for the 12-speed semi-wireless gear set-up. It houses the wireless hardware that communicates with the shift levers but is also hard wired to the front derailleur and the battery, acting as the master link for the whole system. Addi... moretionally, it’s also the system’s charging point, provides ANT+ connection to third party devices, features the button responsible for all Di2 operations and integrates an LED light that provides information on shift modes and battery charge levels. It works within several shift settings that are fully programmable via the Di2 app, granting personalised and intuitive shifting behaviour. From a mechanical standpoint, a longer cage length means that compatibility with 11-28 through to 11-34 ratio cassettes is fully supported. The cage is made from carbon to increase rigidity and lower weight, while the cold-forged aluminium link plates of the derailleur body are strong to donate snappy gear changes and highly resistant to corrosion. The overall profile is realised via Shimano's Shadow concept to create a minimal silhouette, and a "fuse" function automatically activates during a crash to protect it from damage. DuPont Zytel pulleys complete the design, guaranteeing durability and damping drivetrain noise.
Sigmasports.com
Delivery: to United Kingdom
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£624.89
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Shimano Dura-Ace RD-R9250 Di2 12-Speed Derailleur Black RDR9250

The Shimano Dura-Ace RD-R9250 Di2 12-Speed Derailleur uses Di2 (Digital Integrated Intelligence) technology. With programmed automatic motion at the touch of a switch, the Dura-Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency.The rear derailleur is now the brains of the system with wireless connect... moreivity to the shifters. It acts as the point the system is charged, provides ANT+ connection to 3rd party devices and replaces the handlebar junction.Shimano Dura-Ace RD-R9250 Di2 12-Speed Derailleur FeaturesButton on the derailleur for Di2 operations, and LED light denotes synchronized shift mode, setting mode and charge requirementsProgrammed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shiftSynchronized Shift designed, developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleurThe removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretchingLow profile Shadow derailleur designDerailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts11-34T wide gear ratio capacity will cater for compact setups as well as the traditional road doubleFull carbon fibre inner and outer pulley plates enhance rigidity and reduce weightTitanium B axle bolt for further weight savingsHigh tolerance cold forged aluminium link plates and body construction is extremely light and durableFour self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shiftingPulleys are made of tough DuPont Zytel for longer life and less chain noise12-speed E-tube Di2 compatible
LeisureLakesBikes.com
Delivery: in United Kingdom
Report
£699.99
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The Shimano Dura-Ace Di2 RD-R9250 12V is a high-end drivetrain component that has been designed to provide exceptional performance on road bikes. This rear derailleur features a carbon fibre construction that makes it extremely lightweight and durable. In addition, it incorporates electronic technology that enables precise and smooth gear changes. The R9250 also has fast and precise shifting capabilities, even under high stress loads, making it an excellent choice for professional cyclists and enthusiasts looking for the best in cycling equipment.Features:Use: RoadFastest rear derailleur ever, 58% faster than RD-R9150Compact design includes integrated wireless unit, charger and switchLED status indicatorBattery indicatorPairingSetting mode Increased range capacityMax. low sprocket: 34DCFRP shift plateSpeeds: 12
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Derailleur Shimano Dura-Ace Di2 RD-R9250 12V Rear Derailleur