Stages G3 Ultegra R8000 Left Hand Power Meter Crank Arm

The Stages power meter crank arm will replace your current non-driveside arm to provide highly accurate and consistent power readings to your computer of choice.

Also available for 105 5800 and Dura-Ace R9100 cranks.

Features:

• ± 1.5% accuracy
• Only adds 20g to base crank arm
• Battery Life: 200+ hours (coin cell: CR2032)
• Power range (Watts): 0 to 2500
• Cadence range (rpm): 20-220
• Water resistance rating: IPX7
• Crank Compatibility: All Shimano Hollowtech II road cranks
• Device Compatibility: ANT+, Bluetooth Smart Ready
• Software Compatibility: Training Peaks, Strava, Garmin Training Center and others
• Tool free battery replacement
• Active temperature compensation
• Accelerometer based cadence measurement
• Wireless firmware upgrades