- Manufacturer
Shimano Ultegra 6770 Di2 Group 2x10-speed (extern version)
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For the past four years, professional riders have been riding Shimano Dura-Ace components
with Di2 electronic shifting technology over the highest mountains, the worst cobbles and
through the most extreme weather conditions imaginable. As of this year, Shimano Ultegra
will also be fitted out with this groundbreaking technology.
What are its characteristics? Just the same as for Dura-Ace. Changing gears becomes easier,
effortless and faster by simply touching the shift buttons. Control at your fingertips. Additional
benefits include an automatic trimming front derailleur, great accuracy plus easy adjustment
and installation. Di2 continues its great success with Shimano Ultegra. And it makes no difference
if these roads are cobbles, tarmac or mud.
Advanced 3D design and extensive testing
have allowed us to find the perfect balance between shifting speed, ergonomics, strength, weight
and rigidity. With just a flick of the finger, Di2 technology enables faster, precise and multi-precision
shifting plus automatic trimming.
Crankset:
The new crankset features HOLLOWGLIDE technology; a hollow outer chainring construction to save weight and increase rigidity for an optimal power transfer and further improved shifting characteristics.
Weight: 785g (53-39T, 170mm with integrated Bottom Bracket).
- HOLLOWTECH II design : Optimum balance of lightweight and stiffness
- New "HOLLOWGLIDE" outer ring : Hollow chainring construction
- New gear dimension for great improvements
- Improved gear for less chain touch in small/ small combination
- HOLLOWGLIDE outer gear : Hollow construction enjoys great rigidity and stability
- Double crankset configuration
- with Bottom Bracket
Crank Arm Length: 172.5mm
Dual Control Levers
Anyone who has experienced Shimano`s mechanical, ergonomic STI levers knows just how much
control they have over all components. With Di2 technology, shifting is even easier and more 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. Shimano riders will be used to them immediately since all the buttons are in the
same place as on regular levers. The distance between the lever and the handlebar is adjustable. This
makes it extremely easy to brake and shift even for riders with smaller hands.
Details:
- lightweight levers for optimal comfort and control
- digital push button shifting - like clicking a mouse
- ergonomically designed hood shape
- lever reach adjustment - fits all hand sizes
- weight: 313 g (pair)
Brake:
The Dual-Pivot caliper brakes feature new compound brake shoes just like the new DURA-ACE 7900 series. They offer doubled brake performance in wet conditions and improve stopping power also in dry conditions by 20 %. The brake calipers have been developed with an enhanced brake arch proportion for an increased linear response. The new caliper construction ensures an improved cable routing (especially with sloping frames) and reduced cable friction. The brakes feature a spring tension adjuster and adjustable toe-in brake shoes. Weight is 317g per set.
- New super SLR design : Enhanced brake arch pivot location for quick linear response
- Low profile outer cable stop : Improves cable routing for reduced friction especially with sloping frame
- New brake shoe compound : 100% more stopping power in wet conditions.
- Spring tension adjuster : Allows customized spring tension for equalized lever pressure
- More ergonomic brake system : Better controllability
- Adjustable toe-in brake shoes
Rear Derailleur:
The rear derailleur is pre-programmed allowing you to shift gear quickly and accurately in all conditions. The derailleur is immune to rough
circumstances and protected from impact damage by its reinforced inner cage. It has a maximum sprocket of 28T for wide-range gearing.
Details:
- 10-speed compatible
- programmed electronic shifting - fast and accurate
- ever drops out of alignment
- crash saver function
- inner cage impact protection - cage moves automatically inwards on impact
- max. rear sprocket: 28T for wide-range gearing
- weight: 270 g
Front Derailleurs:
The 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. This ensures that the chain never rubs. Its rigid construction guarantees swift, silent, smooth shifting even under the most demanding of conditions.
Details:
- brazed-on version
- fast, accurate, smooth shifting
- programmed, automatic trim - silent shifting
- weight: 162 g
Cassette/Chain:
- Alloy sprocket carrier
- 10-speed
- Better shifting performance thanks to more robust shifting tolerance
- Updated gear sprocket design
- Wider gear range : 11-23T, 12-23T, 12-25T, 11-25T, 11-28T NOTE: CS-6700 11-28T requires the use of RD-6700, RD-6770 or RD-7900
- Redesigned inner and outer plates
- New shaped outer plate
- New shaped inner plate for smoother rear shifting
- Enhanced press-in construction for stable shifting
Scope of delivery:
- Ultegra 10 x 2 Crankset FC-6700 39/53 Teeth (incl. BSA Bottom bracket) 172,5
- Ultegra Di2 Rear Derailleur RD-6770
- Ultegra Di2 Front Derailleur FD-6770 Brazed-on
- Ultegra Di2 Shifters STI Dual Control ST-6770
- Ultegra Brakes BR-6700
- Ultegra 10-speed Chain CN-6700
- Ultegra Cassette CS-6700
- Ultegra Di2 Front Junction SM-EW67-A-E
- Ultegra Di2 Rear Junction SM-JC40
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