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Serfas Thunderbolt Head Light

Item #: LS244A11
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USD$45.00
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The Serfas Thunderbolt (USL-6) gives you high performance and endless mounting options, and is a stellar bargain buy. The 15- micro (double strength) LED strip puts out 90 lumens, giving you plenty of light as you safely ride to your destination. The light can be seen up to 1 mile away, giving cars ample time to move out of your path. With 3 light settings, you’ll always be ready for what’s ahead. You won’t find yourself riding to your local 24 hour pharmacy for batteries any more, as the USL-6 Thunderbolt is USB rechargeable!

  • Can be seen up to 1 mile away
  • Light installs/ removes from bar in 3 seconds
  • USB rechargeable
  • Modes: Lo/Hi/Flash
  • 9 hour burn time
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REVIEW SNAPSHOT®

by PowerReviews
Serfas Thunderbolt Head Light
 
4.0

(based on 3 reviews)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

67%

of respondents would recommend this to a friend.

Pros

    Cons

      Best Uses

          • Was this a gift?:
          • No (3)

        Reviewed by 3 customers

        Sort by

        Displaying reviews 1-3

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        5.0

        This LED Light Just Plain Works Well

        By Jim

        from West Palm Beach

        About Me Avid Cyclist

        Verified Buyer

        Pros

        • Great visibility
        • Long battery life
        • Low battery indicator
        • Rechargable

        Cons

        • Weak beam

        Best Uses

        • Front headlight
        • Night commute

        Comments about Serfas Thunderbolt Head Light:

        --I use this light on the handlebar of my Cannondale Badboy 1, which I use as a police patrol bike.
        --This light is incredibly bright. So much so that I ride it on its lower flash setting mostly. While on patrol, I find it quick and easy to turn on and off, it's weather resistant, and very rugged. It looks awesome on a black bar, and it truly is an incredible beacon for cars to see me at night. I haven't had any issued with charging time or battery life.
        --It is not bright enough to be used as a headlight for illuminating your path. 90 lumens may sound like enough, but it's so dispersed that it's almost worthless for that. It's a "Here I am, don't run me over." light.
        I will buy another for my motorcycle.
        Cheers from Florida...
        Jim

        • Was this a gift?:
        • No
         
        4.0

        Very bright, low battery life

        By Ex. Jim the Runner

        from Oakland, CA

        About Me Casual/ Recreational

        Verified Reviewer

        Pros

        • Great visibility

        Cons

        • Short battery life

        Best Uses

        • Front headlight
        • Night commute
        • Rear safety light

        Comments about Serfas Thunderbolt Head Light:

        I've never seen bike lights with better car visibility, and the front one can be slightly helpful as a headlight for potholes on dark streets. It's true, you may need to charge them about once a week. It's extremely frustrating when they run out of batteries. I don't really understand the low battery indicator. Overall I'm quite happy with mine, as long as I keep them charged. They make me feel safer in traffic at night.

        • Was this a gift?:
        • No
         
        3.0

        Bright, but battery life unexceptional

        By RogueAb

        from Seattle, WA

        About Me Casual/ Recreational

        Pros

        • Bright And Easy To Attach
        • Durable
        • Easy to Use
        • Lightweight

        Cons

        • Battery Life Seems Low

        Best Uses

        • Commuting

        Comments about Serfas Thunderbolt Head Light:

        Use this light for commuting from work to home at night. About a 45-minute ride. Cannot get through a work week on one charge. I use the blink mode, and I have to cycle though several other mode everytime I turn it on.

        • Was this a gift?:
        • No

        Displaying reviews 1-3

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