Shimano’s Ultegra range is race focused, but at a more affordable price than the top-tier Dura-Ace line. The R8000 offers 11 sprockets and is available in a broad range of ratios, so whether it’s a tightly packed 11–25-tooth block for time trialing or a wide ranging 11–32-tooth for conquering even the most epic climbs, there’s something for everyone. Tough, Lightweight, Durable Machined from a combination of aluminum and steel, an Ultegra R8000 cassette offers an excellent compromise between weight, durability, and performance. To keep the weight down aluminium is used to rivet the largest three sprockets and a fibre-reinforced composite the next largest two. Tipping the scales at a low of 232 grams for the 11–25T, and a high of 300g for the 14–28T option, regardless of your preferred choice you certainly won’t be weighed down. But, not only is this cassette lightweight and high performing, it is also durable. Corrosion resistance comes via the nickel-plated steel sprockets, so you can ride without the worry your cassette will disintegrate at the sight of rain. A Shift In Performance Aside from weight and durability, the R8000 cassette performs its job well. In fact, there’s virtually an imperceptible difference in performance between it and a higher-spec’d Dura-Ace cassette. Shifting gears is exactly what you’d expect from a component maker as known for precision engineering as Shimano, in one of its top-tier products. It’s quick, smooth, and reliable. Hyperglide technology, the brand’s proprietary system, ensures that even under load you’ll be able to change through the gears. Product Features Lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide EV sprockets have been designed to reduce weight and improved teeth shaping provides accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider Optimised for use with 11-speed HG-EV chains, but compatible with all 11-speed drivetrains Please note, due to the current supply situation with many products, aftermarket packaging and manuals may not be supplied. Manuals can be downloaded from si.shimano.com and we advise that any work carried out on your bicycle is done so by a Shimano Approved Service Centre
High performance 10-speed Road cassette.Key Features:Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load,Close ratio gearing allows a more efficient use of energy through finer cadence control,Three largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity,Sprockets are cut away and drilled to further reduce weight without reducing rigidity,Nickel-plated finish offers hard wearing resistance to corrosion,Chrome-plated steel cassette lockring,For Super Narrow 10-speed HG chains.
Key Features:Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes,Hyperglide sprockets have been designed to reduce weight with improve teeth shaping giving accurate shifting and reduced wear,Wide gear range to meet the demands of all types of rider,Weight 208 grams (11-23 teeth).
Shimano Ultegra Di2 R600 Climbing Shifter SwitchCompatible with a range of Shimano E-tube Di2 shifters, this simple to install right hand shifting switch enables you to quickly change your rear gears without changing your hand position on the bars. Ideal for race use, it requires minimal effort to operate so you can concentrate all your energy on the road ahead.Features: Compatibility: Modern 5-port E-tube type Shimano Di2 electronic drivetrains only To be plugged direct into E-tube drop bar STI shifters Shift switch is supplied with 260.5mm E-tube electrical cables installed Compatible with the Dura-Ace 9070 and Ultegra 6770 Di2 systems With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the derailleur to instantaneously select the correct gear The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold Climbing twin button satellite shift switch is used to operate the rear derailleur whilst your hands are on the top of the bars, one button up, one button down Weight: 30g (pair) Shifter Compatibility List:Ultegra Di2 R8050Ultegra Di2 ST-6870Dura-Ace Di2 ST-R9150Dura-Ace Di2 ST-9070Please Note: Not compatible with the older Dura-Ace 7970 Di2 systemA 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.
With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts. Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold. Climbing twin button satellite shift switch is used to operate the rear derailleur whilst your hands are on the top of the bars, one button up, one button down.
Smooth, crisp and silky shifting, the Shimano Ultegra R8050 Di2 11-Speed Front Derailleur is an addition that will give you the ultimate riding experience.Top Gear Teeth: 46-53TChain Line: 43,5Braze-On ClampWeight: 132gVastly improved performance over mechanical shifters due to electronic front derailleurs' lack of susceptibility to cable stretch, this Ultegra Di2 compatible component uses electronic shifting cables to move a measured amount each and every time, regardless of conditions or environment. With millimeter accurate shifting guaranteed time after time. Compatible with Shimano's Syncronized Shift technology, this derailleur is intelligently designed, and, with your input, can be programmed to shift in order to maintain optimal gear ratios automatically. Redesigned to fit wider gear pitch, this front derailleur can take chainrings sized up to 53 teeth and go as low as 46 teeth, assuring you of a smooth transmission when switching between the two. Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available
With the new Ultegra R8050 rear derailleur shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. 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.Compatible with 11-speed Di2 systems, this derailleur is made from high tolerance cold forged aluminium for incredible durability and a longer lifespan. Benefiting from a low-profile shadow design construction that reduces the risk of damage in the event of a crash, this derailleur also remains more aerodynamic on the bike, sitting poised and perfectly placed to flick between your preferred gear. A low friction shifting action guaranteed by four self-lubricating micro-machined fluorine coated link pivot bushings, you can be sure of joy each time you switch your gear.Low profile shadow design constructionHigh tolerance cold forged aluminium link platesSS Cage: Compatible with 11-25T Up To 11-30TGS Cage: Compatible with 11-28T Up To 11-34TWeight: 242g (SS Type), 249g (GS Type)
With the new Ultegra R8050 rear derailleur shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. 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.Compatible with 11-speed Di2 systems, this derailleur is made from high tolerance cold forged aluminium for incredible durability and a longer lifespan. Benefiting from a low-profile shadow design construction that reduces the risk of damage in the event of a crash, this derailleur also remains more aerodynamic on the bike, sitting poised and perfectly placed to flick between your preferred gear. A low friction shifting action guaranteed by four self-lubricating micro-machined fluorine coated link pivot bushings, you can be sure of joy each time you switch your gear.Low profile shadow design constructionHigh tolerance cold forged aluminium link platesSS Cage: Compatible with 11-25T Up To 11-30TGS Cage: Compatible with 11-28T Up To 11-34TWeight: 242g (SS Type), 249g (GS Type)
Shimano Ultegra Di2 R8050 11sp Front DerailleurRedesigned to be compatible with a wider 11-speed gear range but still retaining the same slick shifting ability, the Ultegra Di2 R8050 is a real game changer. Stiff and efficient enough to change gears cleanly even when you’re pedalling hard out of the saddle, it’s the ideal front derailleur upgrade for your Shimano Ultegra Di2-equipped road bike.Shimano Synchronised ShiftingUtilising Shimano's innovative Synchronised Shift, the front derailleur automatically shifts when the rear derailleur is shifted, which means that both derailleurs work together seamlessly. Conveniently, this shifting technology works the other way around, too; so, the rear derailleur shifts automatically when the front derailleur is shifted. This means you will always have optimal front/rear gear positioning. Di2’s auto-trim feature automatically centres the front derailleur precisely around the chain, which avoids chain rub as you travel across your cassette. Welcome to the New-Age of performance-oriented shifting.Features: Speed: 11-Speed Mount Type: Braze-On Compatibility: Ultegra R8000 Di2, Dura-Ace 9100 Di2 (Shimano 2x11-Speed electronic drivetrains only) Chain Stay Angle: 61-66° Top Gear Teeth: 46T-53T Total Capacity: 16T E-Tube Ports: 1 SD50 Ports: 1 Updated pull arm for more direct and easy shifting Improved clearanceUpgraded to shift under high pedalling torque Synchronised Shift (Full and semi-synchronised shifting program) Programmed chainguide control Redesigned to fit a wider gear pitch without sacrificing shifting performance Shorter rear-centre length (410mm) System communication with Di2 rear derailleur, meaning minimal chance of chain drop Weight: 132gTechnologies: Di2: The power and precision of Di2 is unmatched. It enables beautifully smooth shifting both front and rear. The lack of maintenance and adjustment is impressive: once you’ve customised your Di2 to shift to your preferences, it will continue to do so endlessly Shimano Synchronised Shift: With the customisation of the E-Tube Project app, both front and rear derailleurs are automatically selected for the most optimal gear combination 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.
With this Shimano Ultegra Di2 front derailleur board your ride, quick and smooth front shifting is guaranteed under all circumstances, even when you’re shifting to the large chainring while riding out of the saddle. Due to Shimano Synchronised Shift, the front derailleur will shift automatically when the rear derailleur is shifted, allowing both of your road bike's Shimano Di2 derailleurs to work together efficiently. Customisable Electronic Shifting With the Semi- Synchronised Shift feature that’s also on the Shimano Ultegra Di2 R8050 front derailleur, it’s the other way around. The rear derailleur shifts automatically when the front derailleur is shifted, obtaining optimal front/rear gear positioning. At the same time, Di2’s auto-trim feature will automatically centre the front derailleur precisely around the chain, avoiding chain rub as you move the chain across the cassette. This is how fast, precise and smooth your shifting can be.
With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts Full and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI Programmable function of top button remote switch for third party cycle computers Brake lever pivot is positioned to be used with super SLR brake callipers, increase power providing excellent ergonomics when riding on the hoods Finely tuneable reach adjusters for the levers enable custom fitment for all hands Levers are supplied without electrical cables, as these need to be ordered separately to suit For use with E-tube electric cables (not included)
With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts Full and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI Programmable function of top button remote switch for third party cycle computers Brake lever pivot is positioned to be used with super SLR brake callipers, increase power providing excellent ergonomics when riding on the hoods Finely tuneable reach adjusters for the levers enable custom fitment for all hands Levers are supplied without electrical cables, as these need to be ordered separately to suit For use with E-tube electric cables (not included)