- 100 claimed lumens
- 2h 00min reported battery life
- Be-seen
- 48 g
- flashing mode
- no pulse mode
- 2 brightness levels
- Included mounts: Strap
The Serfas Thunder series lights originated with the Thunderbolt headlight and taillight; among the first bike lights to feature a large array of micro LEDs. Variations on the original Thunderbolt are now available in different performance and output ranges.
The Thunder Blast headlight is an upgrade from the original Thunderbolt headlight, featuring up to 100 lumen output in solid or flashing modes, and including the new Serfas audible battery warning system.