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Serfas Thunderbolt USB Rear Bike Light

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    Serfas Thunderbolt USB Rear Bike Light

    • $45.00
    5
    (1)

    Item # 852297

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    The Serfas Thunderbolt USB rechargeable rear bike light lets you alert others to your presence, thanks to its bright strip of micro LEDs.

    • The strip of 30 red micro-LED bulbs puts out up to 35 lumens of light; strip design puts out a nondirectional flood of light for wide coverage area
    • Water-resistant, flexible and finish-friendly silicone body and adjustable straps stretch around your bike's frame for easy, tool-free mounting and removal
    • 4 modes (with run times): high beam/constant (1.75 hrs.), low beam/constant (7 hrs.), high flash (3 hrs.), low flash (9.5 hrs.)
    • USB rechargeable design of the Serfas Thunderbolt rear bike light lets you recharge the light via a USB port; recharges in 2 hrs.

    Imported.

    Item 852297

    $9.00

    with coupon code ANNV13
    May 17-27 Details

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    Serfas Thunderbolt USB Rear Bike Light Specs
    Specification
    Description
    Best use
    Cycling
    LED
    30 micro
    Multiple locations
    Yes
    2 hours
    Lithium ion
    Yes
    1.75 hours
    7 hours
    9.5 hours
    50 grams
    Bulb type
    Number of bulbs
    Taillight mounting
    Rechargeable
    Charge time
    Batteries
    Integrated battery
    Battery life on high
    Battery life on low
    Battery life flashing
    Weight

    Serfas Thunderbolt USB Rear Bike Light Customer Reviews

    REVIEW SNAPSHOT®

    by PowerReviews
    Serfas Thunderbolt USB Rear Bike Light
     
    5.0

    (based on 1 review)

    Reviewed by 1 customer

    Displaying review 1

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    Mar

    28

    2013

     
    5.0

    Bright and Slim

    By Dao Vang

    from Fresno, CA

    About Me Avid Cyclist

    See all my reviews

    Site Member

    Pros

    • Great visibility
    • Low battery indicator
    • Rechargable

    Cons

      Best Uses

      • Night commute
      • Rear safety light

      Comments about Serfas Thunderbolt USB Rear Bike Light:

      I usually don't like things such as lights hanging off my bike, especially in the rear. So I bought this light and placed it on my seat tube. On full brightness, constant or flashing, this light is blinding to look at, which is great. However, the battery life in these modes are extremely short, as advertised. When I ride at night, I often run the light on low-flashing. So far I haven't been hit so it must be bright enough. Another reason I like it is because I can place it on the seat tube or seat stays. Either way, it's easy to turn on and off without having to get off the bike.

      • Was this a gift?:
      • No

      Bottom Line Yes, I would recommend this to a friend

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