ZITRADES Patent product LED Flash Tyre Wheel Valve Cap Light for Car Bike bicycle Motorbicycle Wheel Light Tire Light Blue/Red/Green Color 3 Pack 6pcs BY ZITRADES Color : Red+Green+Blue 3Pack 6pcs Be Cool: Eye-catching! Play the lead in the dark! Automatic : with light and vibration sensors, automatically light up ONLY when driving, and off when car is not moving Fit All Spring: good for Bicycles, Cars, motorcycles and other wheels that have valves Easy to install in seconds: just replace your current valve stem cap with this set of caps and ready to go.