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The Stages Power Shimano Dura-Ace 7900 is the power meter for all riders with a Shimano Dura-Ace 7900/7950 crankset. The Stages Power is pre-assembled on a Dura-Ace 7900 left crankarm. It replaces the existing left crankarm which makes installation pretty simple. Due to the left crankarm interface there is no interference with the drivetrain components.
Riders only need to select length as the Stages Power meter Dura-Ace 7900 fits all styles of 7900 cranksets, including compact and standard. Via ANT+ and Bluetooth Smart technologies the Stages Power is compatible with all ANT+ cycling computers as well as with the latest smartphone models.