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Serfas Thunderbolt USB Rear Bike Light

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Serfas Thunderbolt USB Rear Bike Light
$45.00
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Description

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. 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.

  • feed_provider: Mercent
  • Best use: Cycling
  • Battery life on high: 1.75 hours
  • Battery life on low: 7 hours
  • Battery life flashing: 9.5 hours
  • Bulb type: LED
  • Number of bulbs: 30 micro
  • Taillight mounting: Multiple locations
  • Rechargeable: Yes
  • Charge time: 2 hours
  • Batteries: Lithium ion
  • Integrated battery: Yes

Reviews

Overall Rating:
5 out of 5 stars5 out of 5 stars5 out of 5 stars5 out of 5 stars5 out of 5 stars 6 Reviews - Serfas: Thunderbolt USB Rear Bike Light
Our Latest Reviews:
Chosquid – 2013-07-22
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.

Zeko – 2013-07-17
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!!!

Tung – 2013-06-20
Bright Led lights at an affordable price

Very good and bright light that makes u seen in the darkest of places. And don't look directly at the light.

John Yeti – 2013-06-13
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 n

AZCCN – 2013-05-20
Awesome light!

Awesome light, really lets you be seen from behind. It was the only light that I was able to secure to my HAWG

Dao Vang – 2013-03-28
Bright and Slim

I usually don't like things such as lights hanging off my bike, especially in the rear. So I bought this light and pl

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is proud to feature this Serfas Thunderbolt USB Rear Bike Light - in partnership with REI. Serfas Safety Taillights are available in these options and/or colors: Red and Black.

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