Reflective Spoke Sleeves are the perfect addition to your bike to ensure maximum safety and visibility during your rides. With six vibrant color options including red, blue, silver, orange, yellow, and green, you can choose your favorite to match your style. Made with durable ABS tube and coated with colorful reflective film, these sleeves fit bike spokes with an inner diameter of 1.8-2.5mm and an outer diameter of 5mm. Measuring at 75mm in length, they are easy to install and will provide a strong reflection under light irradiation from electric torches or cars at night, thus playing an important security role. The best part is that these reflective sleeves don't require batteries and can be used for a long time, making them reliable for every ride, no matter the weather. Whether you're cycling under the sun or rain, these sleeves will remain effective in providing maximum visibility and safety.