Stages Power Meter Shimano Dura-Ace 7900 172.5mm
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Stages Power Meter Shimano Dura-Ace 7900 172.5mm Features
For Dura-Ace 7900 riders we offer a Stages Power meter as a replacement for existing 7900 non-drive crank arms. Riders looking to add power to their existing crank need only select length, as the Stages Power meter (Dura-Ace 7900) fits all styles of 7900 crankset, including: compact and standard.
For those riders looking to replace an entire existing crankset should look to the Shimano Dura-Ace 9000 model, which works with existing Dura-Ace 7900 mechanical and Di2 electronic 10-speed group sets; a CN-9000 chain is recommended.
Stages Power Meter D/A 7900 172.5mm Crank Arm Only
Accuracy: ± 2%
Weight: Only adds 20gr to base crank arm
Battery life: 200+ hours (coin cell: CR2032)
Tool free battery replacement
Active temperature compensation
Accelerometer based cadence measurement
Wireless firmware upgrades
Power range (Watts): 0 to 1999
Cadence range (rpm): 30-220
Frame compatibility: Most frames, see fit guide in our Support section
Crank Compatibility: all Shimano Hollowtech II road cranks
Device compatibility: ANT+, Bluetooth Smart Ready
Software compatibility: Training Peaks, Strava, Garmin Training Center and others
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