luckiner 1 Pair Bicycle Tubeless Tyre Valve, Presta Schrader Fitting, Black, Universal Valves for Road Mountain Bike, 80mm

Bicycle valve core size:80mm*10mm(length*diameter) The bicycle tubeless tyre valve is made of aluminum alloy material. Valve with O-ring to keep nut tight and protect your rims. More durable, safe and reliable. The valve cap not only can prevent leakage, but also prevent dirt and rain water. It's very durable. Usually used for low-pressure tires such as mountain bikes, folding bikes, and children's bicycles. The valve core is mainly locked by internal pressure and has high high pressure resistance.