Stages Power Shimano 105 R7000 left crank with potentiometer blackStages Power Shimano 105 R7000 left crank with potentiometer is compatible with all Shimano Hollowtech II road drivetrains. Stages Power Shimano 105 R7000 left crank with potentiometer black /1.5% accuracy, adds 15g to base crank, 200 hour battery life, active temperature compensation, accelerometer-based cadence measurement, LED indicator, Near Field Communication (NFC), streaming Bluetooth/ANT . The single-sided Stages Power L gauge is built on a non-driveside Shimano 105 R7000 crank arm and is compatible with all Shimano Hollowtech II road drivetrains.Characteristics:

• Use: Road
• Accuracy: ±1.5%.
• Power meter housing: low profile design, with robust door interface
• Weight: Only adds 15g to base crank arm
• Battery life: more than 200 hours (button cell: CR2032) when used as a single-sided meter
• Power range (watts): 0 to 5000
• Cadence Range (rpm): 10-220
• Water resistance grade: IPX7
• Length: 170,172.5,175