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.
FEATURES
- 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
SPECIFICATION ICONS
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Bluetooth
-
ANT＋
PRODUCT SPECIFICATIONS
| MODEL NO | FC-R9100-P |
|---|---|
| SERIES | DURA-ACE R9100 Series |
| Color | Series color |
| Average weight | 685 (50-34T) 695 (52-36T) 696 (53-39T) |
| Remarks | Crankset specifications not listed here are the same as FC-R9100 * w/o chainrings Chemistry: Li-ion Rated voltage: 3.7 V Rated capacity: 0.66 Ah Rated capacity: 2.442 Wh |
|---|---|
| Rear speeds | 11 |
| Compatible chain | HG-EV 11-speed, HG-X11 |
| Chain line (mm) | 43.5 |
| P.C.D. left / right (mm) | 110 |
| Spider/gear arms | 4 |
| Chainring combination | 50-34T, 52-36T, 53-39T, w/o chainrings | 50-34T, 52-36T, 53-39T, w/o chainrings |
| Q-factor (mm) | 146 |
| Crank arm length (mm)|165 | X * |
| Crank arm length (mm)|167.5 | X * |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|172.5 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Crank arm length (mm)|177.5 | X * |
| Crank arm length (mm)|180 | X * |
| Force measurement|Right side | ✔ |
| Force measurement|Left side | ✔ |
| Force measurement|Number of strain sensor | 24 |
| Cadence measurement|Magnet | ✔ |
| Accuracy (%) | ±2 |
| LED for system status | ✔ |
| Number of control button | 1 |
| Zero offset|By control button | ✔ |
| Zero offset|By device | ✔ |
| Active temperature compensation | ✔ |
| Battery|Type|Lithium ion | ✔ |
| Battery|Life | 300 h or longer |
| Battery|Charging port | ✔ |
| Battery|Charging cable | Included |
| Optional chain guard|Without chain/bash guard | ✔ |
| HOLLOWTECH II | ✔ |
| HOLLOWTECH crank arm | ✔ |
| HOLLOWGLIDE | ✔ |
| Compatible bottom bracket type|Outboard | ✔ |
| Recommended bottom bracket|Threaded (normal) | BB-R9100 |
| Recommended bottom bracket|Press-Fit | SM-BB92-41B |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|70 | ✔ |
| Crank fixing screw included | ✔ |
| Firmware update by E-TUBE PROJECT | ✔ |
| Di2 connectivity wireless|Bluetooth® LE|Cycling power | ✔ |
| Di2 connectivity wireless|ANT+ |Bicycle power | ✔ |
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE RIDE | ✔ |
| Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE PROJECT | ✔ |
| SD50 port (pcs) | 0 |
| SD300 port (pcs) | 0 |
| SD50 connector (pcs) | 0 |
| SD300 connector (pcs) | 0 |
