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
TECHNOLOGIES
SPECIFICATION ICONS
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Bluetooth
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ANT
PRODUCT SPECIFICATIONS
MODEL NO | FC-R9100-P |
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SERIES | DURA-ACE R9100 Series |
Color | Series color |
Average weight | 696 (53-39T), 695 (52-36T), 685 (50-34T) |
Remarks | With power meter. Chemistry: Li-ion. Rated voltage: 3.7 V. Rated capacity: 0.66 Ah. Rated capacity: 2.442 Wh |
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HOLLOWTECH II Technology | ✔ |
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 |
HOLLOWGLIDE | ✔ |
HOLLOWTECH Technology | ✔ |
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 |