SAFETY ESSENTIALThis is an excellent ornament for bicycles and essential protection equipment for night riding, especially in autumn and winter. At night or during terrible weather, it will reflect and give a security warning in the light irradiation to improve riding safety and reduce the risk of traffic accidents (NOTE: This is reflective strips. It couldn't bright itself, need external light ) ONE SIZEThe Wheel Spoke Reflectors are designed with a length of 80mm/3inch, an inner diameter of 1.9-2.4mm, and an outer diameter of 5mm. Please confirm the size before purchasing. The reflectors come in 48 pieces and are suitable for most kinds of bicycles, such as Mountain Bike/Folding Bike/Kids Bike/Road Bike/etc. You can even have a safe and fun DIY bike show. PREMIUM MATERIALThe bike reflective clips are made of high-quality ABS tube and reflective coating film which is durable and not easy to fade. Waterproof and lightweight characteristics allow it to be used in humid weather and will not increase the burden on the bike. Grey is stylish and simple so they are very light and beautiful. HIGH VISIBILITYOur bicycle spoke reflectors can reflect light in low light conditions and can be clearly visible even at a distance of 400 meters. Cycle wheel reflective tubes provide 360 reflection and improve sidelong visibility, ensuring riding safety in the dark and bad weather conditions. The reflectors themselves cannot reflect light and require external lighting. EASY TO MOUNTThere is a recessed slot on the side of the bicycle Clips, no glue no special fasteners or any tools are required. Just push the spoke reflector on the spokes and gradually press it down. When you want to replace the bike reflective clip or don't need them any longer, just pull it out. It is very easy to install and remove for anyone.