Fantasy Life 4pcs Bike Tire Lights Bicycle Wheel Lights - Bike Motorcycle Spoke Valve Cap Light Lamp Bulb Firefly Pure Color (Red Green Blue Yellow) UNIVERSAL: Fits for all kinds of bicycle, electric bicycle, kids' bike, motorbicycle etc. FLEXIBLE: Easy to install and no tools required. AUTO SHINING: No switch, Energy-efficient LED with motion sensor. WATER RESISIT: Fits for all-weather. 100% Risk free purchase: You will be 100% satisfied or we'll give you your money back