Scientific training requires accurate measurement and user-friendliness, and the new ULTEGRA R8100 power meter has both. Its dual-sided measurement is accurate within 2.0% and zero offset calibration is a quick and easy process. Perhaps most importantly, its long battery life, easy recharge, and ANT+ and Bluetooth®LE connectivity makes using and recording your workouts easier than ever.
FEATURES
- Integrated, waterproof, and rechargeable Li-ion battery
- Up to 300+ hours of ride time * Depending on ANT+/Bluetooth®LE settings
- Accurate data collection
- ±2.0% strain gage accuracy throughout the entire calibration range
- Proprietary strain gauge
- Possible to start quickly
- Simple zero offset calibration with switch on transmitter
- Active temperature compensation
- Software automatically compensates for temperature changes
- The provision of new force vector data makes it the optimal training tool to analyze and improve pedal stroke efficiency
- With SHIMANO CONNECT Lab, you can analyze and visualize your training and power data
PRODUCT SPECIFICATIONS
MODEL NO |
FC-R8100-P |
SERIES |
ULTEGRA R8100 Series |
Average weight |
758 (50-34T) 769 (52-36T) |
Remarks |
* Crankset specifications not listed here are the same as FC-R8100 |
Chainring combination |
50-34T 52-36T |
Crank arm length (mm)_165 |
- (50-34T) X (52-36T) |
Crank arm length (mm)_170 |
✔ |
Crank arm length (mm)_172.5 |
✔ |
Crank arm length (mm)_175 |
✔ |
Firmware update by E-TUBE PROJECT |
✔ |
Accuracy (%) |
±2 |
Active temperature compensation |
✔ |
Battery_Charging cable |
EW-EC300 |
Battery_Charging port |
✔ |
Battery_Life |
300 h or longer |
Battery_Type_Lithium ion |
✔ |
Cadence mesurement_Magnet |
✔ |
Di2 connectivity wireless_ANT+ _Bicycle power |
✔ |
Di2 connectivity wireless_Bluetooth® LE_Cycling power |
✔ |
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE PROJECT |
✔ |
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE RIDE |
✔ |
Force measurement_Left side |
✔ |
Force measurement_Number of strain sensor |
24 |
Force measurement_Right side |
✔ |
LED for system status |
✔ |
Number of control button |
1 |
SD300 connector (pcs) |
0 |
SD300 port (pcs) |
0 |
SD50 connector (pcs) |
0 |
SD50 port (pcs) |
0 |
Zero offset_By control button |
✔ |
Zero offset_By device |
✔ |