- 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.
