Shimano Ultegra Crankset 12s FC-R8100-P 172.5mm + Powermeter (No Chainrings)

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
Remarks: * Crankset specifications not listed here are the same as FC-R8100
Crank arm length (mm): 172.5
Firmware update by E-TUBE PROJECT: Yes
Accuracy (%): ±2
Active temperature compensation: Yes
Battery_Charging cable: EW-EC300
Battery_Charging port: Yes
Battery_Life: 300 h or longer
Battery_Type_Lithium ion: Yes
Cadence mesurement_Magnet: Yes
Di2 connectivity wireless_ANT+ _Bicycle power: Yes
Di2 connectivity wireless_Bluetooth® LE_Cycling power: Yes
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE PROJECT: Yes
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE RIDE: Yes
Force measurement_Left side: Yes
Force measurement_Number of strain sensor: 24
Force measurement_Right side: Yes
LED for system status: Yes
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: Yes
Zero offset_By device: Yes