Bike Wheel Light Bicycle Spoke LED Lights Bright Cycling Bikes Bicycles Waterproof Outdoor Valve Flashing Night Light Safe Accessories (32 Pattern) LIGHT SENSOR & DYNAMIC SENSOR, AUTO ON AND OFF, ENERGY SAVING LED bike spoke lights Without button for power on/off, only when the bike moves at night or in dark area, the led bike spoke light will light intelligently. 32 GORGEOUS PATTERNS CHANGE DESIGN, SUPER BRIGHTled bike wheel lights is made of 32 pieces double-sided led lamp beads, 32 patterns, patterns change every few seconds. Better working speed was 20km/h. Different speed, these bicycle wheel lights will have different effect show. WATERPROOF DESIGNThe waterproof level of bright bike wheel light is IP55, installing these led bicycle spoke lights, you also don't need to worry about riding in rain day. SAFETY AND EASY INSTALLATIONlightweight design, wont affect riding speed, safety for night riding. Whats more, dont need any other tool, these bike tire lights can be installed safely. Perfect Birthday Gifts & Christmas Presents for Your Son, Friends, Husband, sport partner ect. FITS MOST BIKESOur bike wheel light can be installed by most of bicycles with 2.00 mm spokes, such as rode bike, mountain bike, fixed gear bike and ordinary bicycles, etc. But pls note, Suitable for 20 inch bicycle, not suitable for wide spokes bikes.