Cygolite Hotshot 100
  • 2h 30min reported battery life
  • 59 g
  • flashing mode
  • pulse mode
  • 6 brightness levels
  • internal Lithium batteries
  • low battery indicator
  • mini usb rechargeable
  • Included mounts: Seatpost, Stay
  • Optional mounts: Rack
$40

This light hasn't been individually reviewed, but other lights in this series have been: