Giant Power Halo

- 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