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At Tom's Pro Bike it's all about giving you the best cycling experience. Our stores are staffed with experienced cyclists, who ride the roads and trails just like you. With four great locations, we look forward to serving your cycling needs.

Shimano Ultegra FC-R8100-P Dual-Sided Power Meter HOLLOWTECH II Crankset 2x12-speed

Shimano Ultegra FC-R8100-P Dual-Sided Power Meter HOLLOWTECH II Crankset 2x12-speed
  • Color: Black
$1,069.99 - $1,160.00
Color: Black
Length: Select length
Chainrings: Select chainrings
Please select options Unavailable
Order now and pick up in-store for free.


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 1.5% 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.

Integrated, waterproof, and rechargeable Li-ion battery
- Up to 300+ hours (TBD*) of ride time * Depending on ANT+/Bluetooth®LE settings
Accurate data collection
- ±1.5% (TBD*) strain gage accuracy throughout the entire calibration range * Depending on ANT+/Bluetooth®LE settings
- Proprietary strain gauge
Possible to start quickly
- Simple zero offset calibration with switch on transmitter
Active temperature compensation
- Software automatically compensates for temperature changes

Part Numbers

Option UPC MPN Store SKU
No Chainrings / Black / 160mm 192790901619 IFCR8100PMXXA
No Chainrings / Black / 165mm 192790901602 IFCR8100PAXXA
50/34T / Black / 170mm 192790900940 IFCR8100PCX04A 210000090141
52-36T / Black / 170mm 192790900995 IFCR8100PCX26A
No Chainrings / Black / 170mm 192790900902 IFCR8100PCXXA
50-34T / Black / 172.5mm 192790901008 IFCR8100PDX04A
52-36T / Black / 172.5mm 192790901039 IFCR8100PDX26A
No Chainrings / Black / 172.5mm 192790900988 IFCR8100PDXXA
50-34T / Black / 175mm 192790900957 IFCR8100PEX04A
52-36T / Black / 175mm 192790900964 IFCR8100PEX26A
No Chainrings / Black / 175mm 192790900919 IFCR8100PEXXA