USL-6 Thunderbolt USB Headlight
The Serfas® Thunderbolt (USL-6) provides high-performance and endless mounting options for a great price.
If you’re riding at night, let Serfas® guide the way with our Thunderbolt (USL-6) Headlight. The 16-micro (double strength) LED strip puts out 90 lumens, giving you plenty of light to safely arrive at your destination.
Charge up, light up & get riding safely at night with the Serfas® Thunderbolt.
Limited Lifetime Warranty
Serfas® warrants to the original purchaser that the product is free of defects in material, construction, and/or workmanship for the lifetime of the product.
Battery Warranty – One Year Coverage
Serfas® batteries are covered by a 1 year warranty from the original date of purchase.
- USB Rechargeable
- Charge Indicator Light
- Includes Longer Strap To Allow More Mounting Options
- Removable Straps Allow Endless Mounting Options
- LED Strip Creates A Non-Directional Flood Of Light
- High (90 Lumens): 1.5 hrs
- Low (30 Lumens): 4.25 hrs
- High Flash (90 Lumens): 2.5 hrs
- Low Flash (30 Lumens): 8 hrs
- Weight: 54 Grams With Bracket
- Battery: 500 mAh Lithium Polymer
Black, Blue, Clear, Green, Pink, Red, White, Yellow