Nite Ize TwistLit Rear Bike Light - $5.93

With an easy twist, the Nite Ize TwistLit rear bike light can be mounted to your bike to alert others of your presence when you're riding in low light. Bright red LED is encased in a sturdy, water-resistant housing; curved backing settles nicely against the curved surfaces of bike frames, bars and tubes. Tailor your lighting needs between high and flash modes with a simple push of a button. Attaching the TwistLit is easy and tool-free, thanks to the flexible, grippy 7 in. "legs" that work like twist ties to affix the light to your bike's handlebar, frame or rack. Nite Ize TwistLit rear bike light operates on 2 replaceable 2016 3V lithium batteries and has a run time of 20 - 25 hours, depending on settings. - $5.93