DURA-ACE POWER METERS R9100-P HOLLOWTECH II

Dura Ace FC-R9100-P Powermeter

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

Manufacturer Part Number 

53-39 teeth
170 mm: IFCR9100PCX39A 
172,5 mm: IFCR9100PDX39A 
175 mm: IFCR9100PEX3A 

52-36 teeth
170 mm: IFCR9100PCX26A
172,5 mm: IFCR9100PDX26A
175 mm: IFCR9100PEX26A 

50-34 teeth
170 mm: IFCR9100PCX04A 
172,5 mm: IFCR9100PDX04A 
175 mm: IFCR9100PEX04A