Top of the range, high performance Dura-Ace wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions 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,Wireless connectivity to the front and rear derailleurs for effortless trouble free 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,Hydraulic brake lever with Servo Wave technology provides excellent stopping power with less effort especially from the hood position,Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear,Finely tuneable reach adjusters for the levers enable custom fitment for all hands,Free stroke adjustment for pad to rotor contact setting,Levers use CR1632 batteries which last for approximately 1.5-2 years,Ports for use with SD300 E-tube electric cables,Kit contains left hand bled ST-R9270 STI, BR-R9270 flat mount brake calliper with pads, hoses and mineral oil (without rotors or adapters).
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 efficiencyProgrammed 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,Wireless data network system unit is integrated into mech,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,11-30T 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,Direct mount compatible,11-speed E-tube Di2 compatible,Max front difference: 16T,Total capacity: 35T,Weight is 204 grams.
Top of the range SLR-EV dual symmetric pivot direct mount calliper brake with quick linear response, increased rigidity, and improved braking powerDirect calliper twin bolt mounting has 11 mm lower profile design improving aerodynamics,Rear mount, designed to mount on the seatstays,Enhanced brake arch proportions give a quicker linear response and increased power,Better clearance with wider tyres, compatible with 28C tyre size,Titanium centre pivot bolt for light weight,Thrust bearings and coated bushings between arms for smooth linear feel and increased durability,Brake pad compound offers excellent stopping power under wet and dry conditions, with improved durability,Spring tension adjuster for precision setup,Adjustable toe-in on the brake shoes for easy setting up.
Top of the range SLR-EV dual symmetric pivot calliper brake with quick linear response, increased rigidity, and improved braking powerEnhanced brake arch proportions give a quicker linear response and increased power,Better clearance with wider tyres, compatible with 28C tyre size,Titanium centre pivot bolt for light weight,Thrust bearings and coated bushings between arms for smooth linear feel and increased durability,Brake pad compound offers excellent stopping power under wet and dry conditions, with improved durability,Spring tension adjuster for precision setup,Adjustable toe-in on the brake shoes for easy setting up.
Top of the range, high performance Dura-Ace wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditionsWith 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,Wireless connectivity to the front and rear derailleurs for effortless trouble free 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,Hydraulic brake lever with Servo Wave technology provides excellent stopping power with less effort especially from the hood position,Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear,Finely tuneable reach adjusters for the levers enable custom fitment for all hands,Free stroke adjustment for pad to rotor contact setting,Levers use CR1632 batteries which last for approximately 1.5-2 years,Ports for use with SD300 E-tube electric cables - E-tube wires Not included.
Elite road racers demand reliable and precise shifting, 12-speed Dura-Ace R9150 delivers with its super-lightweight and compact 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 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.
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.
Shimano FC7710 Dura Ace Track Chainring :-Available in 45-55 Tooth Sizes,144 BCD 5 Bolt,Available in 1/2 - 1/8 or 1/2- 3/32 sizes.Please note: Image is for display purposes. Tooth ratio will match your selection..
Super lightweight 12speed HG+ cassette with a rigid carbon and alloy carrier for excellent shifting even under the most demanding gear changesHyperglide+ 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,Largest sprockets are mounted on lightweight alloy and carbon carriers to reduce weight and increase rigidity,5 largest sprockets are made from titanium to reduce weight without sacrificing strength,Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity,Nickel-plated finish offers hard wearing resistance to corrosion,Alloy cassette lockring,For Super Narrow 12-speed chains.
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 gearSimply 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,Servo Wave 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,Wired connection to the front and rear derailleurs with SD300 series wires - E-tube wires Not included.
Key Features:Super narrow lightweight 11-speed HG-EV symmetrical design chain for smooth shifts and maximum durability,Outer plate design has been developed to reduce the chance of chain suck,Sil-Tec surface treatment technology (PTFE plating) on inner and outer links and rollers that is smooth running and increases durability,Zinc-Alloy plated inner and outer links,Hollow pin for added weight saving,The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent running,5.62 mm chain width, optimised for 11-speed Super Narrow HG-EV drivetrains,Comes complete with Quick Link which enables fast tool free chain assembly,Average weight 243 grams.