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.
The USB-rechargeable Thunderbolt can be mounted virtually anywhere on the front of your bike—from the handlebars to the fork. It’s your ride, your call.
Charge up, light up & get riding safely at night with the Serfas® Thunderbolt.
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