The Gravity Tail Light has a built in accelerometer that detects deceleration or swerving and automatically changes to a super bright, solid beam to warn following traffic.
- 2 Modes (runtime): Solid - 20 lumens (12 hours), Flash - 80 lumens (30 hours)
- Automatic accelerometer brake light function shines 100 lumens bright
- Includes brackets for seatpost and seatstay mounting
- USB rechargeable li-polymer battery