If you’re riding at night, let Serfas guide the way with the 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.

Features:

• 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

Specs:

• Modes: 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