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Improve upon perfection.
Dura-Ace Di2 has become renowned as "the" electronic shifting system to trust. And while it neared perfection, leave it to Shimano to improve upon it even more with the advent of the Dura-Ace Di2 9070 11-Speed STI Shifters.
First and foremost, you’ll notice that the new Di2 features 11 speeds, which is quickly becoming the number to hit. But beyond that, Shimano looked at the aesthetics and ergonomics of the levers to create touch points that enhance your riding experience. The shape of the levers has been given even more of an outward curve while also growing in length. This allows for a better interaction with the levers, whether you're on the hoods or in the drops. Speaking of the hoods, they are made from a dual-compound rubber composite with a perforated design, but are now smaller and slimmer in shape. Conversely, the shift paddles have been widened for a better interface in the heat of the moment. Shimano still adds in 10mm of reach adjustment.
Beyond the aesthetics is the shifting performance. It is here that Shimano’s Rider-Tuned philosophy takes shape. For example, with the Di2 9070, you’re able to select one of five different rear derailleur shifting speeds. More impressive is that the 9070 is now capable of performing shifts up to 28 teeth on the cassette. To enhance shifting, a more minimal single-wire E-Tube connection is used. This also makes for more options for the inclusion of satellite shifting systems.
- Updated lever and hood design with 10mm reach adjustment
- Programmable shifting options
- Compatible with Di2 9070 components
- Item #SHI0623
- Q & A
Hidden hood top buttons are the jam!
- Familiarity: I've put it through the wringer
If you run the EW90 wireless transmitter, you can switch screens on your head unit without taking your hands off the hoods. Such a nice feature that a lot of people don't know about.
Other than that, it's DA, it's Di2, it's awesome.
Dura Ace Di2 9070: What's New?
By Move Press
are these compatible with ultegra 6870 derailers
They sure are compatible. If you need any more help, then send me an email at email@example.com.
Are these compatible with hydraulic brakes?
No, that's the 9170.