FC-R8100-P Ultegra Crankset

2x12-speed
Chainrings Not Included

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

OUTER RING MATERIAL	Aluminum/ CFRP
CRANK AXLE MATERIAL	Steel
THREADED BB SHELL WIDTH	68/70
CRANK ARM FINISH	Anodized
COMPATIBLE BB TYPE	Outboard
CRANK AXLE FINISH	Plated
GEAR ARMS	4
COMPATIBLE CHAIN	CN-M8100
INNER RING MATERIAL	Aluminum
INNER RING FINISH	Anodized
CRANK ARM LENGTH	160,165,170,172.5,175
CHAIN RING COMBINATION	No Chainring
OUTER RING FINISH	Anodized
CRANK ARM MATERIAL	Aluminum