Serfas Thunderbolt Tail Light


  • Up to 8 hours of operation in flash mode
  • Lightweight, Rechargeable, and Water Resistant
  • Easy installation and removal
  • Available in 8 colors

Out of stock

SKU: UTL-6 Categories: ,


Installing a rear bike light is one of the easiest ways to reduce your chances of an accident.  In low light conditions, increasing your visibility can be a life saver.

More and more drivers are distracted while driving which means it’s up to you to do everything you can to be seen.  The Thunderbolt Tail Light (UTL-6) from Serfas can help.  The UTL-6 can be installed without tools.  You can attach it to your seatpost, a seat stay, or even to a loop on your backpack.  When the charge gets low, just connect it to a computer via USB to recharge it.  When fully charged, the Thunderbolt can deliver up to 8 hours of light.

Bike lights are always a good idea, but it’s especially important to have a rear bike light during the winter months.  When days get shorter and poor weather hampers visibility, you need all the help you can get being seen.


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