Elite road racers demand reliable and precise shifting, 11-speed Dura-Ace R9150 delivers with its super-lightweight yet durable designSynchronized 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 a microchip communication link 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 difference in the effort and time to actuate the shift between mechanical and Di2 is truly staggering,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,11-speed E-tube Di2 compatible,Compatible with 50-55 tooth chainrings,Total capacity 16T,Front derailleur weight is 104 grams.
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 gearKey Features: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.Single button on each side of the shift lever only works with synchronized shifting.Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold.Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and alloy expanding wedge clamp.TT / Triathlon bar STI allows shifting while braking and can be used with additional bar end switches.Brake lever pivot is positioned to be used with super SLR brake callipers.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.Comes complete with SLR brake cable set.
Cartridge includedCOMPATIBLE MODEL: BR-R9110-F, BR-R9110-R, BR-9010-F, BR-9010-R, BR-R8010-F, BR-R8010-R, BR-6810-F, BR-6810-R, BR-5810-F, BR-5810-R, BR-5710COMPATIBLE SERIES: DURA-ACE R9100 Series, DURA-ACE 9000 Series, ULTEGRA R8000 Series, ULTEGRA 6800 Series, SHIMANO 105 5800 Series, SHIMANO 105 5700 Series
Dura-Ace R55C4-A Carbon replacement cartridge insert ,For Carbon Rims,Genuine Shimano replacement part.
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.
Genuine Shimano replacement part.Chainrings to fit 55-42T, 54-42T, 53-39T, 52-36T, 50-34T Chanisets.
Key Features: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,Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt,Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI,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,Two ports for use with E-tube electric cables, plus port for remote sprinter shifters,Comes complete with SLR brake cable set,Weight is 230 grams a pair.
Dura-Ace RS900 Road gear cable set,Complete top-of-the-range gear cable set designed to suit Dura-Ace R9100 gears ,Fitting new gears or completely overhauling your gear cabling couldn't be easier - everything you need in one pack ,Includes 1.2 mm Polymer coated inner wires (1 x 2100 mm, 1 x 1800 mm), OT-RS900 outer casing (1 x 240 mm) and OT-SP41 outer casing (1 x 1700 mm), and all end caps ,Polymer coated stainless steel inner wire leaves a smooth surface for low friction and reduced sliding resistance providing a lighter quicker shifting operation ,Outer casing is lubricated internally along its length with low-friction silicone grease to reduce cable friction ,OT-RS900 outer casing has added compliance to allow for new road Shadow mech design requirements ,SP 41 outer casing uses a special directional wound construction process makes for an axially stiff cable that transmits shifting movements accurately and quickly ,Outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wire.
Key Features:Super smooth Dura-Ace bearings for low-friction performance right where you need itLarge flange designForged and anodised aluminium hub bodyComposite poly carbonate resin hub shell36 or 32 hole drillings120mm over locknutWeight: only 313 grams (with lock ring).
Key Features:Super smooth Dura-Ace bearings for low-friction performance right where you need itSmall flange designForged and anodised aluminium hub body36 hole drillings100mm over locknutWeight: only 203 grams.
Key Features:Super smooth Dura-Ace bearings for low-friction performance right where you need itSmall flange designForged and anodised aluminium hub body36 hole drillings120mm over locknutWeight: only 298 grams (with lock ring).