Key Features:The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders,HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load,The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer,Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight,Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm,A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines,HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency,HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately).
Key Features:Wide link design Dyna-Sys 10-speed Deore MTB front derailleur,Side swing, side pull front derailleur decrease problems with tyre clearance and reduces cable friction,Designed specifically with modern trail bikes in mind, Shimano side swing technology front derailleurs increases tyre clearance, while cable routing resulting in the lightest shifting action yet,Side pull cable routing,Wide pivot link design for greater torsional rigidity improves shifting response and service life,Direct frame fit for easy and accurate installation giving perfect alignment,Dyna-Sys 10-speed MTB drivetrain compatibility,Reinforced steel chain guide offers high strength and rigidity for improved shifting response,For double 34-38 tooth chainring,For 66-69 degree chainstay angle.
The HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite ridersHollow outer chainring, giving vast improvements in rigidity and increased weight savings,The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load,These industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength,The teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer,There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines,HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency,Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability.
Mechanical Brake DUAL CONTROL LEVER (11-speed)Key Features:Redesigned internal shifting unit,Greater reach adjust range,Easier access to inner shift cable,Quick and intuitive rear shifting operation,Reliable performance in race conditions,Lighter front shifting when paired with FD-R7000.
Precision-engineered Ultegra STI levers with carbon levers offer powerful braking and effortless 11-speed shifting, making them the ideal choice for both enthusiast and competitive ridersShift cables are routed under the bar tape: re-development and positioning of the internal mechanism in combination with Polymer coated cables have made this possible, providing faster, lighter and smoother shifting,Vivid indexing provides a constant amount of shift lever force across all 11 sprockets,Ergonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes,Powerful and controllable braking thanks to SLR-EV compatibility,Tuneable reach adjusters enable custom fitment for all hands.
HOLLOWTECH II Crankset (11-speed)Key Features:Balances weight and efficiency without sacrificing stiffness,Rider Tuned performance with numerous gear combinations,Wider gear pitch increases chain clearance with small/gearings allows for 410 mm chain stays on 135 mm O.L.D.,Optimum power transfer,Multiple options provide greater choice,Greater frame compatibility.
Key Features: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,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,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,Designed to work with the wider gear pitch spacing Shimano chainsets without sacrificing shifting performance on bikes with 135 / 142 mm O.L.D.,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.
Road bike performance with flat handlebars - these MTB-style STI shifters offer fast and accurate gear changes at the touch of a lever2-Way release allows the upper shift lever to performs the same shift function but swings in either direction allowing it to be released by the thumb or index finger,Clearly visible optical gear display,Shimano New Super SLR brake compatible,Adjustable to work with V-brakes, calliper brakes, cantilever brakes and cable disc brakes,Comes complete with SP41 gear cables,For use with 8-speed drivetrains.
Genuine Shimano replacement part
Ultegra front derailleur with toggle link construction matches the force curve of the hand more naturallyToggle link design is light action with short lever movement and less effort at the end of shifting stroke,Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load,The forged wide link cradles the axle pivot at both ends providing a smooth shifting swing,Designed to work with the wider gear pitch spacing Shimano chainsets without sacrificing shifting performance on bikes with 135 / 142 mm O.L.D.,Cable tension is adjustable on the front derailleur,Added frame support bolt for more stability under load.
Wide link design 105 double front derailleur for increased rigidity and improved shifting responseFor use with 105 ST-5700 or Ultegra ST-6700 shifters only for optimum shifting performanceWide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy loadFor 10-speed drivetrainsLight action spring reduces effort required to actuate shiftsMaximum capacity of 16 teeth with 50-56 tooth outerThe aluminium parts are coated to resist corrosion and maintain their great looks.
The most advanced level of shifting technology: at the touch of a switch Dura-Ace Di2 is quick shifting, smooth, and effortless, making for unmatched drivetrain efficiency.Key Features:The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also gives effortless gear shifts,Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold,Buttons are located in a near identical place to the positions you|d assume for shifting using a mechanical Shimano STI,Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt,Brake lever pivot is positioned to increase power giving excellent ergonomics when riding on the hoods,Finely tuneable reach adjusters for the levers enable custom fitment for all hands,The Di2 STIs are also compatible with the FlightDeck computer (SC-7900), measuring important data such as heart rate, altitude, cadence, gear position, battery indicator, and more,Levers are supplied without electrical cables, as these need to be ordered separately to suit,Weight is 255 grams a pair.