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The next generation is here. Evolution never stops! With Ultegra Di2 technology shifting is easy and precise. Taking shifting to a new level, only a light touch is needed for the front or rear derailleur to instantaneously select the correct gear. Ergonomic design ensures an easy transition from mechanical to electronic shifting, and you'll never look back.
This full groupset includes:
Dual Control Levers: Similar in look to the conventional Ultegra shifters but with digital shifting, simply press to change gear - it's as easy as pressing a key on a keyboard. Optimised for use with super SLR brake callipers increasing stopping power. Lever reach adjustment to fit all hand sizes. Weight is 313 grams a pair (manufacturer claimed).
Rear Derailleur: Aluminium link plates and body construction - extremely light and durable. Quick, smooth and effortless. Servo driven motion rather than spring action giving identical and precise shifting. Weight 270 grams (Manufacturer claimed).
Front Derailleur: The Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to a microchip communication link with the gear levers. The front derailleur tracks the chain position and trims automatically - requires no manual trim.
Small to big ring changes are barely detectable with a smooth pedalling input, even on a climb. Braze-on front derailleur supplied, band-on adapters available separately. Weight 162 grams (Manufacturer claimed).
Battery Unit: High performance Litium-Ion 7.4 volt battery. Charge time 90 minutes. Battery life is conservatively estimated at 1000km per charge. Supplied with EU powercable.
Chainset: The HollowTech II 10-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 the CN7900 and CN6700 chains for increased contact to provide greater efficiency and improved power transfer.
Industry leading HollowTech II cold forged hollow crank arms have been evolved to increase rigidity, reduce weight and improve strength. 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. Weight: 785g (claimed including BB). This is a 53-39 ratio chainset.
Bottom Bracket: 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. Only available in a BSA thread.
Cassette: Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes.
Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear. Wide gear range to meet the demands of all types of rider. Weight: 250g (Manufacturer claimed, 11-28). Only available in 12-25 with this boxed groupset.
Chain (6701): Super narrow lightweight 10-speed chain for optimum cassette and chainset interaction and maximum power transfer. Chain uses a directional design with specifically shaped inner and outer plates.
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. Supplied with Shimano joining pin. 5.88mm chain width. Weight: 267g (Manufacturer claimed).
Brakeset: Dual-pivot caliper brake with super SLR design for quick linear response, increased rigidity and improved braking power. Enhanced brake arch proportions give a quicker linear response and increased power. Low profile outer cable stop position improves cable routing for reduced friction.
Brake shoe compound produces 100% more stopping power in wet conditions than the previous generation. Spring tension adjuster for precision set-up. Adjustable toe-in on the brake shoes for easy set up. Weight: 317g - front and rear (Manufacturer claimed).
Please note: Ultegra Di2 components must only be used with Ultegra Di2 and are not interchangeable with Dura-Ace Di2.
Please check the stock availability notice on your item when placing your order. This item is: Sold out
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Shimano Ultegra Di2 Electronic Groupset