Sunlite WheelGlow Wheel Light BlueThe Sunlite WheelGlow Wheel Light gives your entire wheel illumination, even on 700C and 29er wheels. There is approximately 40 hours of battery life. Engineered to be water resistant. Comes with 3 AA batteries. Sold individually, not a pair. Very easy to install. Available in Blue, Disco, Green, Pink, Red, and White.888571030394