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Serfas Thunderbolt Taillight


Thunderbolt Taillight

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Serfas Thunderbolt Taillight

Serfas' Thunderbolt Taillight delivers 35 lumens in an extremely versatile, USB-rechargeable package. Attach the water-resistant silicone body nearly anywhere on your bike, and use the high, low, or two flash modes to make sure cars or cyclists can see you when approaching from behind after dark. At just 50 grams, you won't even notice it's on your bike — but others will!

Features and Information

  • Run time: 1.75-9.5 hours, depending on setting


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Option Barcode Manufacturer's Part Number Store SKU
Black 00713835022993 UTL6BK 106404
Green 00713835023013 UTL6GN
Pink 00713835023020 UTL6PK
Red 00713835023037 UTL6RD 109340
White 00713835023044 UTL6WT
Yellow 00713835025826 UTL6YL
Clear 00713835018422 UTL6CL 118191