Elite road racers demand reliable and precise shifting 12-speed Dura-Ace R9250 delivers with its super-lightweight and compact design Synchronized 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 derailleur The Di2 front derailleur's operation is pioneering smooth shifting is guaranteed thanks to wireless communication with the gear levers. What's more shifting the rear derailleur automatically trims the front derailleur The biggest difference you will notice is just how much quicker and effortlessly smoother shifting on the front chainrings is even under load The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching but provides effortless gear shifts The front derailleur also trims automatically; the cage moves in response to the position of the rear derailleur on the cassette to ensure no chain rub and a quiet unobtrusive ride enabling you to concentrate on the road ahead Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available 12-speed E-tube SD300 wire compatible
Digital Integrated Intelligence or Di2: 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 connectivity to the shifters. It acts as the point the system is charged provides ANT+ connection to 3rd party devises and replaces the handlebar junction Button on the derailleur for Di2 operations and LED light denotes synchronized shift mode setting mode and charge requirements Programmed automatic motion at the touch of a switch makes this derailleur quick smooth and effortless to shift Synchronized 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 derailleur The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching Low profile Shadow derailleur design Derailleur contains a saver (fuse) function where the inner structure is protected from strong impacts 11-34T wide gear ratio capacity will cater for compact setups as well as the traditional road double Full carbon fibre inner and outer pulley plates enhance rigidity and reduce weight Titanium B axle bolt for further weight savings High tolerance cold forged aluminium link plates and body construction is extremely light and durable Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting Pulleys are made of tough DuPont Zytel for longer life and less chain noise 12-speed E-tube Di2 compatible
With its compact and smooth appearance, the Shimano Dura-Ace Di2 front derailleur delivers quick and smooth front shifting even under high pedalling torque. Plus, it has programmed chain guide trim settings and can be used in full or semi Shimano Synchronised Shift modes to bring you a personalised, top-level shifting experience. Shimano's 9150 groupset brings its Syncro-Shift technology to the road too. Syncro-Shift technology enables the Shimano Dura-Ace Di2 R9150 front derailleur to read the position of your Di2 rear derailleur and will automatically operate the front shift to position the gears in the most efficient gear and best chain line, so you'll never have to worry about front shifting and correction shifts again.
Shimano Dura-Ace Di2 AD91 R9150 Braze On AdaptorThe Dura-Ace Di2 AD91 R9150 Braze On Adaptor from Shimano allows the mounting of a R9150 Di2 front derailleur to frames that have 34.9mm seat tubes and no braze on mount. It is constructed from a lightweight alloy and provides excellent fit and rigidity to help shifting efficiency.Features: 34.9mm clamp size Allows braze on derailleurs to mount to non braze on framesA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Dura-Ace Di2 AD91 R9150 Braze On AdaptorThe Dura-Ace Di2 AD91 R9150 Braze On Adaptor from Shimano allows the mounting of a R9150 Di2 front derailleur to frames that have 34.9mm seat tubes and no braze on mount. It is constructed from a lightweight alloy and provides excellent fit and rigidity to help shifting efficiency.Features: 34.9mm clamp size Allows braze on derailleurs to mount to non braze on framesA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Dura-Ace Di2 Bar End Gear Shift LeversThese bar end shifters are specially designed for time trial and triathlon bars for easier shifting when riding in the aero position. This easy to use model features an extremely low-profile design and ultra-modern shift button that's optimised for hand positioning on the extensions. To top it off, its one-button minimises movement and maximises your aerodynamic efficiency while reducing effort.With a refined ergonomic shape and simple, single-button design, the SW-R9160 DI2 remote triathlon shifter provides quick shifting while riding in the aerobars. Utilising Shimano Synchronised Shift program, each bar end shifter can be programmed to upshift or downshift the rear derailleur while the Di2 computer decides when to shift the front derailleur for the optimal front and rear gear combination.- Easy to push the thumb switch when gripping the top of the TT extensionFeatures: Use: Time Trial, Triathlon Drivetrain Compatibility: 2x11-Speed Compatible Electronic Cable: EW-SD50 E-Tube Connector: 0 E-Tube Port: 2 Firmware Update by E-Tube Project: Yes Port for Remote Sprinter Shifter: 0 SD50 Port: 2 Position: DH Bar Switch Type: Bar-end SW for TT, pair Included in Delivery: Right and left bar end shifters (cables not included) Weight: 40g (pair)Technologies: Shimano Electronic Intelligent System (SEIS): A technological innovation of the computerized shifting system based on the Di2 concept with which is called, the SEIS (Shimano Electronic Intelligent System). The SEIS innovative shift technology is still based on the Shimano Index System (SIS) that has proved its superior gear changing characteristics over the years. The big difference is that in this case, the shifting action is provided for by electronics instead of mechanics. E-Tube: E-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for mobile allows you to customise your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by cable with E-Tube Project for Windows V4 application.Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Dura-Ace DI2 Cable SetThis externally routed Shimano Dura-Ace Di2 Cable Set is ideal for upgrading your current bike to Dura-Ace Di2 if it does not feature the Di2 specific internal cable routing. To ensure that the signal goes from the shifter to the derailleurs, the reliability of the electric cable has been proven by repeated field tests in various riding conditions, including extreme temperatures, rain,mud, and cobble stone roads.The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts. Dura-Ace Di2 requires 2 cables: a handlebar cable set to connect the shifters to a battery indicator junction box or FlightDeck, and the other to connect the handlebar cable to the battery and derailleurs.Features: Full E-Tube type Shimano Di2 cable kit For use with non-Di2 specific frames Cable ties and guides includes to route wires neatly along your bike's frame Compatibility: Road and mountain bike (MTB) E-Tube type Shimano Di2 electronic drivetrain componentsA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
To ensure that the signal goes from the shifter to the derailleurs, the reliability of the electric cable has been proven by repeated field tests in various riding conditions, including extreme temperatures, rain,mud, and cobble stone roads. The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts. Dura-Ace Di2 requires 2 cables: a handlebar cable set to connect the shifters to a battery indicator junction box or FlightDeck, and the other to connect the handlebar cable to the battery and derailleurs.
Shimano Dura-Ace Di2 R9150 11Sp Front DerailleurThis Front Derailleur from Shimano features smooth shifting for exceptional pedalling performance. The Dura-Ace model benefits from a Synchro Shift feature for a high-quality cycling performance you can count on. Features:Part No: FD-R9150Top Gear Teeth: 46-55TChainstay Angle: 61-66Chain Line: 43.5Speed: 11 SpeedCompatible Chain: HG-EV 11 Speed/HG-X11Ergonomic shifting operation without stressShimano Synchronised shiftRace endurance for less damage in a crashQuick and smooth front shifting under high pedalling torqueMaintains compact and smooth appearanceWeight: 104gA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Dura-Ace Di2 R9150 2x11 STI Shifter SetThe Dura-Ace Di2 9150 shifters feature an ideal ergonomic shape that is comfortable in the hand and have been updated to be more precise and more adaptable than previous editions. The shift paddles now feature a more defined "click" and have been extended in length for more confident and comfortable shifting. E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider. The 9150 shifters now include Synchro-shif technology that automatically moves the rear derailleur when the front ring is changed or moves the front chainring with the rear shifts to optimise chainline and drivetrain efficiency. Features: More control and confidence in race conditions Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles Light weight Carbon composite plastic material hood More intuitive, quicker shifting operation More defined click feeling and ergonomic shift lever position Each switch has the option for multi-shift ON or OFF E-TUBE project Ideal ergonomic cover shape with better thickness & tenderness Simple set up and maintenance Easy replace hood cover Customise the shifts to suit your riding style Weight: 460g (pair)A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Dura-Ace Di2 R9150 2x11sp STI ShifterThe Dura-Ace Di2 9150 shifters feature an ideal ergonomic shape that is comfortable in the hand and have been updated to be more precise and more adaptable than previous editions. E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider. The shift paddles now feature a more defined "click" and have been extended in length for more confident and comfortable shifting.The 9150 shifters now include Synchro-shift technology that automatically moves the rear derailleur when the front ring is changed or moves the front chainring with the rear shifts to optimise chainline and drivetrain efficiency.Features: Speed: Front (left): 2-Speed; Rear Compatibility: All Shimano Di2 E-tube road 11-Speed drivetrains More control and confidence in race conditions Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles Lightweight Carbon composite plastic material hood More intuitive, quicker shifting operation More defined click feeling and ergonomic shift lever position Each switch has the option for multi-shift ON or OFF E-TUBE project Ideal ergonomic cover shape with better thickness & tenderness A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Dura-Ace Di2 R9150 2x11sp STI ShifterThe Dura-Ace Di2 9150 shifters feature an ideal ergonomic shape that is comfortable in the hand and have been updated to be more precise and more adaptable than previous editions. E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider. The shift paddles now feature a more defined "click" and have been extended in length for more confident and comfortable shifting.The 9150 shifters now include Synchro-shift technology that automatically moves the rear derailleur when the front ring is changed or moves the front chainring with the rear shifts to optimise chainline and drivetrain efficiency.Features: Speed: Front (left): 2-Speed; Rear Compatibility: All Shimano Di2 E-tube road 11-Speed drivetrains More control and confidence in race conditions Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles Lightweight Carbon composite plastic material hood More intuitive, quicker shifting operation More defined click feeling and ergonomic shift lever position Each switch has the option for multi-shift ON or OFF E-TUBE project Ideal ergonomic cover shape with better thickness & tenderness A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.