- Ray reflectors for bicycles that emit reflective light when encountering light, warning pedestrians and vehicles - 360° reflectors that reach a safety distance of 300 meters - Made with high-quality materials, ABS tubes and reflective films, waterproof and durable - Easy installation without the need for glue, they fit bicycle spokes with a diameter of 1.5 to 2.8 mm - Ideal for night cycling, increasing visibility and safety on the road