Dura-Ace R9100 Power Sensor Crank Arm (Left)

Dura-Ace R9100 Power Sensor Crank Arm (Left)


Regular price$564.99

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.

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The Shimano Dura-Ace FC-R9100-P left hand crank will allow you to replace your damaged or broken crank in the event of a fall. It fits the Dura-Ace FC-R9100-P power-sensing crankset. The Dura-Ace FC-R9100-P is the choice of the best cyclists in the peloton, whether they are climbers, sprinters or time trial specialists. Lightweight, it offers maximum power transfer. Its new design is compatible with road-specific disc brake systems while guaranteeing a wide range of gearing options and crank lengths. The addition of a waterproof, reliable, accurate power sensor makes this crankset an even more valuable tool for experienced riders.
It is equipped with a rechargeable Li-ion battery, left/right balance and connects via Bluetooth LE and ANT Plus. This power sensor sets a new standard in cycling data collection.


  • Product : Left crank
  • Range: Dura-Ace FC-R9100-P
  • Crank length: 175mm
  • Technology: Hollowtech II
  • Discipline: Road