Shimano Dura Ace 9070 Di2 Groupset
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$2,092.60
RRP $3,923.73 Save 47%
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Code: 9070-GROUP
Shimano Dura Ace 9070 Di2 Electronic groupset. The groupset for the pro's Internal seatpost battery version

Shimano Dura Ace 9070 electronic Di2 road groupset, now with the new internal seatpost battery

Groupset Specification:

  • Chainset: Compact 34/50 or Standard 39/53. Option of crank length
  • Bottom Bracket: English or Italian
  • Cassette: Choice of ratio 11 speed
  • Chain: CN-9000 114 links
  • STI: ST9070 left and right hand
  • Cables: All cables included
  • Brakes: BR-9000 front and rear calipers
  • Front Derailleur: FD-9070 Braze-on
  • Rear Derailleur: RD-9070ss
  • Internal Seatpost Mount For use with the internal junction box and cable routing, the battery mounts inside the seatpost. Please note: Seat post bung not supplied with battery.
  • Includes battery, charger and all cables and switches required.

 

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in my opinion the nicest of the groupsets out there. Smooth effortless gear shifts make riding fun
The Dura Ace 9070 DI2 Groupset I received was complete. In addition to the items pictured and listed, the package contained brake cables and grey housing; 300mm, 2x350mm, 600mm, 700mm, and 1000mm EW cables; grommets; and the special EW tool. If using an internal battery, you will need to purchase the mounting fixture to fit your seat post/tube as described in the listing. The system performs flawlessly. Installation and set up was straight forward. I upgraded from a Dura Ace 7900. Shifting is rapid and quiet. The 9000 chain is much quieter than 10 speed chains. Having the additional gear in the middle of the cassette cluster makes it so much easier to hold just the right cadence. I feel this 9070 groupset was well worth the expense.
Fantastic groupset, very slick and easy to set up on bike. I went for a 52/36 crank and think I have finally found the right size after trying compacts and standards. The groupset looks stunning and is very light.
This groupset is rightfully leader of the pack, went together fine, check with the youtube tutorials. I need some frame specific grommets to finish the job, worth checking if you do too. Watch the tutorials about tie wraps on the long wire to stop any noise. Overall the parts are just immaculately engineered.
Fantastic group set and great price. Purchased for friend and he hasn't stopped raving about it. Easy to set up but please note that no instructions included. You can download off shimano site though. You will need a clamp if you do not have braze on mount on frame and the cable tidy strips are a must if external wiring set up is used. Kit comes with standard length cables and some of these were a bit too long but this can be expected with a small frame. You might want to change the lengths of some of them if you are anal about having excess cable wound in loops but it is bearable. Changing is silky smooth and quick. Set up of front and rear mech takes minutes. Make sure your wheels are 11speed compatible though. Alan
It`s absolutely superb and much improved on the previous (also excellent) generation Di2. Looks better, lighter, easier to fit , more shift options, battery choice etc. If you can afford -BUY IT. One word of caution - if your fitting to a large or definitely to XL frame, you should consider 100mm longer cables for Rear mech, front mech and internal battery to junction box. Can be a tight fit otherwise
Ask any Porsche owner with paddle shifters if they would go back to a manual, you will get a resounding NO. Electric shifting is the future, and Dura-Ace Di2 is the King of the hill. Shifting is precise, quiet and super easy to adjust. And never have to trim the front lets you concentrate on riding, not shifting, isn't that what it's all about. All this and no cable stretch.
Very easy installation and great price. I think the optional seat post battery is worth the extra cost. There is a definite improvement in brake performance when compared to 7900. Make sure your wheelset is 11 speed compatible.