Dura Ace FC-R9100-P Power Meter - Crank without Chainrings

Dura Ace FC-R9100-P Power Meter - Crank without Chainrings


Regular price$1,349.99

Free shipping on all orders over $49. $9 shipping for orders under $49.

Cannondale, Santa Cruz, Cervelo, Gazelle, BMC, and *other bikes ship for FREE, but Gold Label Assembly will be added at checkout for only $79 (reg. $100) to cover the professional bike build and re-packaging by our certified technicians. It’s bike shop quality, direct to your door!

Some bikes not eligible for shipping due to manufacturer restrictions.

Shop with confidence! It's important to us that you are happy with your Mike’s Bikes purchase so we offer offer a 30-day return/exchange window for your unused gear and 14 days on all bikes. Our exchange and return process is fast and easy. If you choose to exchange for a different size or color, we will ship your product for free.

View Full Policy

The FC-R9100-P delivers world-class power measurement seamlessly designed into the DURA-ACE HOLLOWTECH II crank.

The dual-sided strain gauges are internally hard wired together for reliable performance in all weather conditions and accurate measurement regardless of pedaling position.

Shimano’s integrated approach also ensures simplified maintenance with a single rechargeable battery powering the entire unit and the ability to wirelessly update firmware.



  • Integrated design delivers system reliability and waterproof performance in all conditions
  • Dual-side strain gauges are hard wired together for accurate data collection and direct response
  • ±2% strain gauge power measurement accuracy
  • Stable power measurement system across all pedaling positions
  • Reliable electrical system that is waterproof in all conditions
  • Single rechargeable battery for easy maintenance
  • Easily swap chainrings without affecting power measurement
  • Bluetooth and ANT+ wireless communication