10Pcs Replacement Bicycle Presta Valve Core for Road/MTB Bike Valve Stems

10 pieces of presta valve cores you will get in the bag, enough for your bicycle, you can also share them with your family and friends, they are good bicycle necessities. Features: Presta valve cores (French valve cores) are mainly applied in bicycles, universal Presta valve cores for road and MTB valve stems. A small, handy tool, approx.2.54 cm long. It is taken to replace the leak of the old valve and make the tyre rejuvenation. Stop air leaks from old valves,l compatible and have good air tightness, they are more durable, safe and reliable. Made of zinc alloy and copper, enhancing the corrosion resistance of the valve core and valve stem. Easy installation, use pliers or a valve removal tool to screw onto presta valve stem. Specifications: Package Contents: 10 x Presta Valve Cores Please note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.