Reflective Tarps&First Aid Kits
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Home Lighting Gear USB Rechargeable Light
Serfas Thunder Blast USB Headlight Audible Warning System Alert When Battery Runs Low Charging Cable, Clear
Serfas Thunder Blast USB Headlight Audible Warning System Alert When Battery Runs Low Charging Cable, Clear
Serfas Thunder Blast USB Headlight Audible Warning System Alert When Battery Runs Low Charging Cable, Clear Serfas Thunder Blast USB Headlight Audible Warning System Alert When Battery Runs Low Charging Cable, Clear Serfas Thunder Blast USB Headlight Audible Warning System Alert When Battery Runs Low Charging Cable, Clear Serfas Thunder Blast USB Headlight Audible Warning System Alert When Battery Runs Low Charging Cable, Clear

Serfas Thunder Blast USB Headlight Audible Warning System Alert When Battery Runs Low Charging Cable, Clear

$ 42.00

$ 60.00

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Product Details

  • One of kind design - the Serfs THUNDER blast alerts riders when the battery is running low. This way, you never get caught in the dark
  • Super bright and Super loud - the THUNDER blast pack 100 lumens of light and 85 decibels that alert you when your battery is running low
  • Easy to mount - extra long silicone mounting straps for endless mounting options including Aero post compatibility
  • USB rechargeable - quickly charges on any USB source in just under 4 hours
  • Chose your Mode - The Thunder Blast offers High and Low beam and 2 flash modes, with run times up to 15 hours (low flash)


Coming up with ways to make you safer on the road, when using Serfs lights, is a top priority. Serfs' "blast" audible warning system emits a loud 85 decibel signal when your light battery gets under 10 minute runtime in that specific mode.

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