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

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.

Contents:

• 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

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