Led Flash Tyre Wheel Valve Cap Light For Bike Bicycle (4 Pack 8 Light`s 2 colors) MAKE YOUR BIKE GLOW Mount these durable lights on your bike tires, and they create a glowing ring effect when you pedal; Pack includes four orange and four blue lights to mix and match EASY TO USE Tire lights can be mounted securely in no time; No switch operation for maximum convenience.Jost take the little piece of paper out of it for the first time before they will light up. STAY SAFE WHILE LOOKING STYLISH These tire lights for bikes make you more visible to motorists when you're biking at night and when visibility is poor BATTERIES INCLUDED Each bike light requires three AG10 button batteries, which are already inside, so you can get your bike glowing right away riding CRAFTED TO LAST Impact resistant and rust resistant to stand the test of time and hold up to the effects of frequent