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SHIMANO DURA-ACE Dual Sided Power Meter HOLLOWTECH II Road Crankset 2x11-speed

SHIMANO DURA-ACE Dual Sided Power Meter HOLLOWTECH II Road Crankset 2x11-speed

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DURA-ACE - Dual Sided Power Meter- HOLLOWTECH II - Road Crankset - 2x11-speed

The choice of the world's best climbers, sprinters, and time trialists, the DURA-ACE R9100 crank drops weigh while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options. The addition of a reliable, accurate, waterproof power meter makes this crank an even more valuable tool to serious cyclists. With a rechargeable Li-ion battery, left/right balance, and Bluetooth LE and ANT+ connectivity, the SHIMANO DURA-ACE Power Meter sets a new standard in cycling data collection.

Integrated design
Reliable electric system
Waterproof in all conditions
Easy maintenance
Integrated rechargeable battery
Battery charged for less trouble
Easily change chainrings without affecting power
Clearance with frame
Enough clearance with our direct mount brake caliper
Accurate data collection
±2% (300W, 90 rpm) accuracy of strain gage measured power in full-range
Stable power measurement system at the various stepping positions
Active temperature compensation
Own developed strain gauge
Software compensate automatically
Battery: rechargeable Li-ion battery
300+ hours of ride time
Quick response and operation without stress
Possible to start quickly
Simple zero reset with switch on transmitter
Direct response
Both left and right side connected with cable
Magnet based cadence
Bluetooth®LE and ANT+
Wireless firmware update system


Color Series color
Average weight 696 g (53-39T), 695 g (52-36T), 685 g (50-34T)
Remarks With power meter. Chemistry: Li-ion. Rated voltage: 3.7 V. Rated capacity: 0.66 Ah. Rated capacity: 2.442 Wh
Threaded BB shell width_70mm
Chain line (mm) 43.5
Chain ring combination 55-42T (option), 54-42T (option), 53-39T, 52-36T, 50-34T
Compatible BB type_Outboard
Compatible chain HG-EV 11-speed, HG-X11
Crank fixing bolt included
Crank arm length (mm)_170.0
Crank arm length (mm)_172.5
Crank arm length (mm)_175.0
Gear arms 4
Optional chain guard_Without chain / bash guard
P.C.D. (mm) 110
Rear speeds 11
Recommended BB_Pressfit SM-BB92-41B
Recommended BB_Threaded (normal) BB-R9100
Threaded BB shell width_68mm
Q-factor (mm) 146
Shipping & Payment

Delivery Options

  • SF Express (Commercial and residential address)
  • S.F. Express - Store Pickup
  • S.F. Express - EF Locker Pickup
  • S.F. - Business Station
  • Pickup at store (Hong Kong)
  • International Shipping (Taiwan)
  • International Shipping

Payment Options

  • Atome (splits your bill into 3 equal payments)
  • Alipay (HK)
  • Alipay (China)
  • Credit Card (*Tap & Go available)
  • PayPal & Credit Card
  • FPS
  • Bank Transfer
  • Pay at store