DURA-ACE POWER METERS HOLLOWTECH II CRANK SET (2X11 SPEED)

  • pretty_bullet.png Integrated design
  • pretty_bullet.png Reliable electric system
  • pretty_bullet.png Waterproof in all conditions
  • pretty_bullet.png Accurate data collection
  • pretty_bullet.png ±2% accuracy of strain gage measured power
  • pretty_bullet.png Stable power measurement system at the various stepping positions
  • pretty_bullet.png Easy maintenance
  • pretty_bullet.png Integrated rechargeable battery
  • pretty_bullet.png Battery charged for less trouble
  • pretty_bullet.png Easily change chainrings without affecting power meter performance
  • pretty_bullet.png Wireless firmware update system
  • pretty_bullet.png Quick response and operation without stress
  • pretty_bullet.png Possible to start quickly
  • pretty_bullet.png Simple zero reset with switch on transmitter
  • pretty_bullet.png Direct response
  • pretty_bullet.png Both left and right side connected with cable
  • pretty_bullet.png Bluetooth and ANT+
  • pretty_bullet.png Crank arm length: 170, 172.5, 175mm (w/ chainrings) 165, 167.5, 170, 172.5, 175, 177.5, 180mm (w/o chainrings)
  • pretty_bullet.png Gear combination: 50-34T, 52-36T, 53-39T

Product Specs

[-] Hide
Series DURA-ACE
Crank Construction HOLLOWTECH II technology
Crank Arm Length 170, 172.5, 175mm
Bottom Bracket BB-R9100, SM-BB92-41B
Chain Line 43.5 mm