- Shimano Dura Ace Di2 7970 STI Double 10 Sp Road Lever Set
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Shimano Dura Ace Di2 7970 STI Double 10 Sp Road Lever Set
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.
Top Features of the Shimano Dura Ace Di2 7970 STI Double 10 Sp Road Lever Set
- 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
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
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 providing excellent ergonomics when riding on the hoods.
For details on how to install Shimano's Di2 drivetrain please view their Di2 Installation guide
About Gear Levers & Shifters
Make sure the gear levers you choose are the correct ones for your rear cassette - either 8/9 or 10 speed. Also check that the integrated brake levers (if fitted) are cable or hydraulic to suit your brake calipers. Most SRAM shifters are only compatible with their own derailleurs.
About the Shimano brand
Shimano are the makers of the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains, wheels, pedals, shoes, cycling clothing and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's, Dura-Ace and XTR, which cover both road and MTB's. At Shimano, they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy non-polluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertise that serves as the driving force behind their continually evolving product line.
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Magazine reviews for Shimano Dura Ace Di2 7970 STI Double 10 Sp Road Lever Set
Review from Bikeradar
"A solution to a problem that doesn't exist." "Unnecessary." "A marketing gimmick." Those are lines offered time and again by armchair critics of Shimano's new Dura-Ace Di2 electronic drivetrain, yet few of those pundits have spent any time on the stuff. After our initial sampling last summer in Japan and now two solid months of near-continuous use on a proper test group, we can confidently say that shifting-by-wire doesn't just work; it's flat-out awesome.
Shifting performance that's second to none.
For the full review please view Bike Radar
Incredibly smooth, precise and reliable shift performance that cable-actuated systems can't match, but hugely expensive and multiple shift performance could be better
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ship this via DHL to US as a gift ,can i use my DHL account ?
let me know pls Tony
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