A vital tool for serious cyclists, the DURA-ACE FC-R9200-P power meter delivers reliable, waterproof, dual-sided power measurement. With a rechargeable battery and Bluetooth LE and ANT+ connectivity, the FC-R9200-P is a user-friendly training partner. The DURA-ACE FC-R9200-P power meter brings everything a data-driven cyclist could want. Its integrated, waterproof design brings all-weather reliability while delivering accurate information including left/right balance. A rechargeable Li-ion battery is user-friendly and Bluetooth LE and ANT+ connectivity ensure easy setup. Specifications Integrated, waterproof, and rechargeable Li-ion battery Up to 300+ hours of ride time * Depending on ANT+/Bluetooth LE settings Accurate data collection < 1.5% 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 The provision of new force vector data makes it the optimal training tool to analyze and improve pedal stroke efficiency With SHIMANO CONNECT Lab, you can analyze and visualize your training and power data Mfr Claimed Weight 745g (50-34T) 752g (52-36T) 774g (54-40T)