Shimano Dura-Ace Di2 7970 2x10sp STI Shifter Set

Shimano Dura-Ace Di2 7970 2x10sp STI Shifter SetThe 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 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 Features:Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are coldButtons are located in a near identical place to the positions you'd assume for shifting using a mechanical Shimano STIShifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band/fixing boltBrake lever pivot is positioned to increase power providing excellent ergonomics when riding on the hoodsFinely tuneable reach adjusters for the levers enable custom fitment for all handsThe 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 moreLevers are supplied without electrical cables, as these need to be ordered separately to suitWeight: 255g a pairA 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.