Power Meters

- IPX7 waterproof, anti-dust casing with a closed magnetic rechargeable design protects the PowerPro under all conditions - 107mm BCD: Power Halo works with chain ring BCD (Bolt Center Diameter)107mm - High-capacity lithium battery delivers up to 100 hours of riding on a single charge - Built-in magnetic connector makes recharging easy - Green and red LED indicators display connection status and battery status - Bluetooth Smart and ANT+ connection