Shimano Dura Ace FC-R9100-P Power Meter Crankset

The Shimano Dura-Ace R9100 has been completely re-designed to offer the very best combination of light weight and stiffness. It features Shimano's iconic 4-arm hollow spider that is made from hollow-forged aluminium. The Shimano FC-RC9100-P power meter: the essential performance tool for every cyclist who wants to achieve their true potential. By gathering real-time accurate and reliable power output data, you can track and analyse every detail of your ride. You can then use this potent information to tune your training and racing for maximum results. The Shimano FC-R9100-P power meter guarantees reliability. It boasts a completely sealed, crank-integrated design that is waterproof in all conditions. The built-in battery is recharged by a small magnetic adapter, so there is no cover to open. The direct instant response system ensures accurate data collection for stable power measurement at various stepping positions. Plus a simple reset by a switch on the transmitter.

• Enhanced design saves 7g while maintaining rigidity.
• Iconic 4-arm construction maintains high rigidity and reduces weight.
• Optimised crank arm design strengthens key stress zones.
• New chainring tooth profile is adapted for race bike specific disc brake systems.
• Accommodates shorter chainstays (410mm) with 135mm OLD rear spacing.
• Hollowglide chainring construction maintains smooth shifting whilst reducing weight and increasing stiffness.
• Accurate real time data.
• Compatible with 3rd party displays.
• Bluetooth / ANT technology.
• Hollowtech II construction.
• 11-speed compatible.