Stages Dura-Ace R9100 Left Power Meter

• Stages Power L Accuracy: ±1.5%
• Generation 2 Accuracy: ± 2%
• Weight: Only less than 20gr to base crank arm
• Battery Life: 200+ hours (coin cell: CR2032)
• Power range (Watts): 0 - 2500
• Cadence range (rpm): 20 - 220
• Water resistance rating: IPX7
• 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 Compatibiity: Training Peaks, Strava, Garmin Training Center and others

OPTIONS

• Length: 165mm, 167.5mm, 170mm, 172.5mm, 175mm, 177.5mm, 180mm

ADDITIONAL FEATURES

• LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset
• Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength
• Tool free battery replacement
• Active temperature compensation
• Accelerometer based cadence measurement
• Updated accelerometer and addition of gyroscope for improved cadence resolution
• Wireless firmware upgrades