Shimano Dura-Ace ST-9070 Di2 Shift/Brake Lever Set (2x11)

Shimano
IST9070PA
Low Price: $544.99
 
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This product was added to our catalog on July 29, 2014.

Technology:
Dura-Ace is Shimano's flagship group, built on many technical innovations. Dura-Ace relies on Shimano's most advanced manufacturing technologies to give class-leading performance for all riders centered on delivering concentration, control and confidence.

Concentration:
You are your bike's engine. You need to remain free of distractions. Dura-Ace lets you concentrate on the ride by making shifting and braking as easy as possible. Redesigned shift levers and new smooth polymer coated cables for mechanical Dura-Ace give shorter lever stroke and lower shifting effort for easier, faster shifts. Electronic Dura-Ace Di2 shifters have improved ergonomics and feedback. And a new 11-speed cassette means that you can always find the right gear.

Control:
Whether it's the slick, smooth action of mechanical Dura-Ace, the lightning-fast electronic shifting of Dura-Ace Di2 or the improved modulation of symmetrical dual-pivot brakes, Dura-Ace gives you maximum control. The unique needs of road racers, time triallists and multisport athletes are met with a range of shifter and brake options.

Confidence:
For maximum performance, you need to have confidence in your equipment. Dura-Ace delivers unparalleled reliability, with a PTFE coated chain and new polymer-coated cables boosting durability as well as giving smoother performance. Dura-Ace Di2's electronic shifting puts effortless and precise shifts just a button push away, regardless of weather conditions. And the new Dura-Ace Hollowtech II crankset with asymmetric spider design guarantees maximum power delivery.


Improvements:

  • 11-speed drive train with a range of gearing options for all situations
  • More compact lever hoods for improved comfort and control
  • New asymmetric four-arm crankset optimises power delivery
  • Lighter shifting and braking action thanks to shorter lever throw and new polymer-coated cables and a new PTFE coated chain.
  • E-tube single-wire connections on Dura-Ace Di2 to simplify installation and give clean looks
  • More compact battery for Dura-Ace Di2 with internal mounting options
  • Improved shifting feedback and multiple shifts on Dura-Ace Di2

The complete group is again more lightweight than before. The total weight of the mechanical Dura-Ace is 1978 grams and the total weight of Dura-Ace Di2 is 1957 (both excluding wiring)
  • Automatic trim function for stress-free riding
  • Similar operation to mechanical Dura-Ace for intuitive use
  • Digital operation reduces the chance of human errors and minimizes the chance of missed shifts
  • Efficient design for increased weight savings
  • Water-resistant cables for durable performance
  • Diagnose problems and customize function with Shimano E-tube Project

Specifications:
  • Cassette Spacing: Shimano/SRAM 11
  • FD/Shifter Compatibility: Dura-Ace 9070 Di2
  • Shifter/Derailleur Compatibility:  Dura-Ace 9070 Di2
  • Brake Lever Actuation: Short Pull
  • Brake Lever Actuation: Short Pull Super SLR
  • Cable:Road
  • End Type: Di2

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