Product Details
FC-R8100 Ultegra Power Meter Crankset w/out Chainring 172.5mm
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 BluetoothLE 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+/BluetoothLE 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 analyse and improve pedal stroke efficiency
With SHIMANO CONNECT Lab, you can analyse and visualize your training and power data
Technical Specifications
Model No: FC-R8100
Series: Ultegra R8100 Series
Chemistry: Li-ion
Rated voltage: 3.7 V
Rated capacity: 0.66 Ah
Rated capacity: 2.442 Wh
Chainring combination: No chainrings
Crank arm length: 172.5mm
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
Buy with confidence
In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.
