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Shimano Dura Ace 9070 Compact Di2 Bicycle Groupset (External Battery)


Out of Stock


Since 1973, Shimano's Dura-Ace components have been at the forefront of pro racing and pro-level technology. Dura-Ace has continued its legacy of being proven in the peloton as well as serving as a launch pad for new technologies.

Dura-Ace Di2 (Dual Integrated Intelligence) moves to the next generation. Tested in competition and taken to victory by pro riders in all conditions, including the 2012 Tour de France Team Sky.

Whether you're building a new bike or looking to upgrade your trusty steed, the groupset offers a hassle-free way to outfit your bike with the finest components available.

This full groupset includes:

  • Di2 STI shifters: Now with enhanced feedback and improved ergonomics for easier access to the shift buttons from the top of the hoods.
  • Di2 front mech: Fast, silent, accurate shifts every time.
  • Di2 rear derailleur: Now lighter and more compact, with E-tube connection to simplify installation.
  • Chainset: Bottom bracket is BSA threaded english standard. Unique four-arm spider design sets new standards for stiffness and low weight.
  • Bottom bracket (BSA thread only).
  • 7901 Chain.
  • Cassette: Smooth, fast shifting guaranteed.
  • Brake calipers: new symmetrical dual pivot design for improved efficiency and controllability.
  • External Battery.
  • Battery charger unit.
  • Complete set of junction boxes and wiring (internal) for a tidy aesthetic.


  • 1 x STI levers
  • 1 x Rear Derailleur
  • 1 x Front Derailleur
  • 1 x Front Brake Caliper
  • 1 x Rear Brake Caliper
  • 1 x Chainset
  • 1 x BSA Bottom Bracket
  • 1 x Chain
  • 1 x SMEW90A Junction Box A
  • 1 x SMJC40 Junction Box B
  • 6 x EW-SD50 Cable
  • 1 x External Battery
  • 1 x Battery Holder
  • 1 x Battery Charger

Can’t find the spec you want? Contact our Customer Services team and we will do our best to source the exact spec you would like.

Product Details

  • Shimano
  • Dura Ace

Delivery & Returns

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is: Sold out

Please remember to add postal time (2-3 working days) to obtain a complete estimate of delivery to your door.

How will I know it has been sent

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing your account details and following the prompts.

Please allow 10 working days from the shipping date of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbors to see if your delivery has been left with them, check any places it could be left such as: garage, porch, or behind garbage cans if it was too big to fit through your mailbox. Contact your local post office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

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Shimano Dura Ace 9070 Compact Di2 Bicycle Groupset (External Battery)

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Shimano Dura Ace 9070 Compact Di2 Bicycle Groupset (External Battery)