KEWAYO Presta Valve Adapter -18Pcs Valve Repair Kit, Tubeless Brass Valve Core Replacement with Schrader Valve Adapter and Caps Bicycle Tire Accessories for Cycling MTB Road Bike

• Premium Material: These are made of brass and plated with nickel, which is durable, safe and reliable for long life Valve Cap: Presta valve core caps and Schrader valve adapter caps can cover your valves to prevent damage to valve and protect the valve core from exposure to dirt and dust Valve Adapter: This item can convert a Presta valve to a Schrader valve, is convenient for you to inflate. Built-in rubber seal ring, making inflate without leakage Easy to Use: You can do the replacement within few seconds. Using the presta wrench tool to unsrew the old valve core and then put a new one on it Wide Application: These universal valve core perfect for most tubeless tire, like MTB road road bike, trek bike, folding bike tire and any other tires