Serfas' Thunderbolt (USL-6) gives you high-performance for a great price.
If you're riding at night, let Serfas guide the way with our Thunderbolt (USL-6) Headlight. The 15-micro (double strength) LED strip puts out 90 lumens, giving you plenty of light to help you safely arrive at your destination.
Charge up, light up and get riding safely at night with the Thunderbolt
- Max Lumens: 90
- USB rechargeable
- Features a 15-micro (double strength) LED strip
- Features a light silicone body
- Features a non-directional beam to cover a wider area
- Modes: high beam, low beam and two flash modes
- Run times: 1:25 hours (high); 4:00 hours (low); 2:30 hours (high flash); 8:00 hours (low flash)
- Highly water resistant
- Weight: 53 grams
Replacement straps available here!