Nite Ize RideLit Rear Bike Light - $9.95

Increase your visibility in low light with the Nite Ize RideLit rear bike light, which offers a wearable red LED that alerts others to your presence. Wrap, affix or hang the RideLit light on your person, bike, gear or elsewhere with the adjustable, removable elastic strap with quick-release buckle. Simple red LED can be toggled between flashing mode or constant glow mode. Operates on 2 replaceable 2016 3V lithium batteries (included); run time of 25 hrs. for flash mode, 20 hrs. for constant mode. Also comes with an adhesive-backed rip-and-stick strap for semi-permanent mounting on a bike's frame. - $9.95