Vonmerie Car Tyre Valve Caps with Pressure Indicator, 4Pcs 3 Color Warning Stem for Bike Motorcycle Bicycle silvery

Our valve caps provide comprehensive protection for your tire valves from pollution and other environmental impacts to maximize the longevity of your tires Tire pressure control caps are an easy way to check tire pressure. With a simple traffic signal color system, you can quickly see if the tire pressure needs to be changed The colors optically indicate whether the tire pressure is normal: Three different colors optically indicate whether the tire pressure is normal. Avoid premature tire wear or tire breakage due to under-pumped tires, increase fuel efficiency, Safety and control and extend the life of the tires. Red: danger, the tire pressure is 25% lower than the standard, it is recommended to pump the tires immediately Yellow: Warning, the tire pressure is 10% lower than the standard, it is recommended to pump the tires in time Green: safe, tire pressure is normal Widely used: Suitable for car, motorcycle, bicycle and so on. Suitable for 32~36PSI (2.2~2.4 bar). Material: There are two materials to choose from: stainless steel (chrome plated metal) and copper