Sunlite TL-L210 Griplite Bike Taillight - 2012 Overstock - $6.73

A beacon in the blackness, the Sunlite TL-L210 Griplite bike taillight helps alert motorists to your 2-wheeled presence when you're cycling down dark roads. 2 LED bulbs shine bright; select on, off, flashing or steady modes with the push of a button. 2 lithium batteries (included) offer up to 100 hrs. of bright light. The Sunlite TL-L210 Griplite bike taillight features a water-resistant silicone body that stands up to nasty weather. No tools needed; flexible strap mounts taillight to a variety of places, stretching around seatpost or bike frame. Overstock. - $6.73