Shimano Dura Ace Di2 ST-R9170/BR-R9170 Shifter/ Brake Lever and Caliper

C$849.95
Article code DBR135729
An updated button feel and layout ensure precise shifting while enhanced ergonomics guarantee comfort, allowing you to concentrate on the effort at hand.
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The Dura Ace features reach adjustment, this way the lever position can be individually fit to each rider and the result is more control and confidence in race and riding conditions. Riders who chose to use the Di2 shift system, also have the option of using the E-Tube software. This offers a chance to set shifting functions and adjust functions to assign each button individually.

Technology:

E-Tube
E-tube is a system platform in order to achieve the Di2 (Digital Integrated Intelligence) concept. E-tube transmits interactive signals and power supply to each electronic component by “plug & play connection. E-tube is a no rust, no stretch, no freeze system and it ensures advanced low maintenance. E-tube project offers, besides customized setting of the electronic components, an update to firmware via Windows PC, tablet or smartphone. You have access to a range of options for a quick check of the electronic components or the system status.

FEATURES

  • Series: Dura Ace Di2 R9150
  • Application: Road (competition)
  • Gearing: 2x11-speed
  • Type: dual control (STI)
  • Shift Lever: Di2 (electronic)
  • Brake Lever: mechanical
  • Lever Material: CFRP
  • Body Material: CFRP, painted
  • Handlebar Diameter: 23.8 – 24.2 mm
  • Reach Adjust: yes 
  • Number of E-Tube Ports: 2
  • Number of E-Tube Connections: 0
  • Number of Sprinter Shifter Ports: 1
  • Technology: E-tube, SLR-EV