Be cool! Be seen! Unleash the light! Illuminate your bike with an innovative flexible light tube (6.5ï¾) that wraps around the frame and makes you visible 360 degrees. The electroluminescent Glow Brightz wire shines with glow-stick-like flare giving your bike a look unlike any other. It has 2 modes, flashing and constant. Glow Brightz include one tube of lighting and one mounting strap to secure the battery pack. Requires 2 AAA batteries.