SHIMANO ULTEGRA Dual-Sided Power Meter HOLLOWTECH II Road Crankset 2x12-speed
FC-R8100-P

Offering all the precision and functionality of the DURA-ACE power meter, the ULTEGRA FC-R8100-P power meter comes in a more affordable package.

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

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 ✔