Brightz Spinbrightz LED Color Morphing Bicycle Wheel Tube Lights

LED (light emitting diode) light to light up your spokes. Three LED tubes create a bright circle of light in your bike wheel. Easy clip-on installation means you are ready to roll in seconds. Once installed, just select one of the 3 flashing options and you are good to go. Weather resistant. Each tube is 5.5 inches long. Includes: 3 LED light tubes and attached battery pack, 1 silicone strap, and (2) CR2032 batteries.