UTL-6 Thunderbolt USB


Serfas Thunderbolt (UTL-6) Taillight gives you style & safety in one high-powered & affordable package.

Being seen on your bike at night never looked so good with Serfas’ Thunderbolt (UTL-6) Taillight. This USB rechargeable gem comes with 35 lumens of firepower while giving riders’ several different rear facing mounting options.

The 30 micro-LED strip will let your presence be known to cars and bikes alike.

Charge up, light up & get riding safely with the Thunderbolt.

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SKU: 713835018422 Categories: , ,
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  • USB Rechargeable
  • Charge Indicator Light
  • Removable Straps Allow Endless Mounting Options
  • LED Strip Creates a Non-Directional Flood Of Light


  • Modes:
    • High – 35 Lumens, 1.5 hrs
    • Low – 10 Lumens, 4 hrs
    • High Flash – 35 Lumens, 2.5 hrs
    • Low Flash – 10 Lumens, 8.5 hrs
  • Weight: 48 Grams With Bracket
  • Battery: 500 mAh Lithium Polymer


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