The Shimano Dura-Ace R9200 R9200 crank with potentiometer provides everything a data-driven cyclist could want. Its integrated, waterproof design provides reliability in all weather conditions while providing accurate information, including left/right balance. A rechargeable lithium-ion battery is easy to use and Bluetooth LE and ANT+ connectivity ensures simple setup. Features: Use: Road Built-in, waterproof, rechargeable lithium-ion battery Up to 300+ hours of driving time * Depending on ANT+/BluetoothLE settings Accurate data collection 1.5% voltage indicator accuracy over the entire calibration range * Depending on ANT+/Bluetooth LE settings Unique voltage indicator Quick start-up is possible Simple zero offset calibration with a switch on the transmitter Active temperature compensation Software automatically compensates for temperature changes The input of the new force vector data makes it the optimal tool for analysing and improving pedal stroke efficiency. With SHIMANO CONNECT Lab, you can analyse and visualise your training and power data Speeds: 12 * Does not include plate Length: 165,170,172,5,175