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Serfas Thunderbolt USB Rear Bike Light

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    Serfas Thunderbolt USB Rear Bike Light

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

    • $45.00
    4
    (18)

    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.

    Product size and color

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

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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

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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

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    Serfas Thunderbolt USB Rear Bike Light is rated 4.3889 out of 5 by 18.
    Rated 5 out of 5 by from Shockingly bright This lamp is outrageously bright and provides for outstanding viability, even on the low setting. I tested the battery life and it meets the manufacturer claim.
    Date published: 2014-03-26
    Rated 5 out of 5 by from Great Light I returned the Blinder Four LED light and purchased this one. It has a longer battery life, a preferred mounting system (I put it on the rear down-tube), it does not have the unnecessarily complicated charging/storage instructions and the illumination is fantastic. Highly recommended as a rear safety light, especially for day riding.
    Date published: 2014-03-26
    Rated 5 out of 5 by from Fantastic Light!!!! I was sceptical about this light not being bright enough, but once I installed it and used it for the first time, I was amazed at how bright it is! Highly visible at night! Definitely recommend this light!!!
    Date published: 2014-03-26
    Rated 4 out of 5 by from Blinking Light of Doom! I ride to work very early in the morning and this light is bright enough to help keep me from getting ran over, a plus. It worked very well for several months and hadn't had an issue even in light rain. Got cause in a downpour one day though and it hasn't started since. But with that in mind I am still planning on getting another.
    Date published: 2014-03-26
    Rated 4 out of 5 by from fantastic brake light Makes for a great tail light. You can make yourself very visible from the rear with this light day or night. Bright settings useful for daytime trips and dim settings are useful for conserving more battery yet still making yourself visible at night. Rubber straps for mounting are very handy but can be difficult to use if trying to mount to thin flexible material such as a trunk bag.
    Date published: 2014-03-26
    Rated 5 out of 5 by from Great light I have used this light a few times now and must admit that it is very nice that I can be seen from behind. Trust me, you can't miss this light.
    Date published: 2014-03-26
    Rated 5 out of 5 by from Best Light Ever With five bikes I keep trying rear safety lights as most of the previous purchases have not lived up to their expectations. This one is the exception. I have it mounted on the rear downstay of my Cannondale EVO Super Six and it is a blazing light. Generally I use the blinking feature, set on low rather than the high intensity. Highly recommended.
    Date published: 2014-03-26
    Rated 4 out of 5 by from Bright, Convenient, Easy to Use Convenience of rechargeable makes this a great commuting light. Surprisingly visible. Only has 3 settings: high, low and slow pulse. Prefer a rapid pulse but the brightness of the slow pulse makes it more than acceptable. So far my experience has been the brightness is consistent until some point when the charge cannot sustain it - then it simply stops versus getting weaker/dimmer. This is the biggest negative but since I now just charge it once a week I have no issues. The rubber attach straps make for easy on/off though a permanent bolt on option would be nice.
    Date published: 2014-03-26

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