2 Pieces Bike Vacuum Tire Valve Nuts with Sealed O-Ring, Presta Inner Tube Valve Nut Accessories for Most Mountain or Road Bicycle (Black)

About this item Vacuum tire presta valve nut suitable for the modification and replacement of the valve inner nozzle and the vacuum tire nozzle lock nut. After the replacement, the locking force is greater and the air tightness is better. Bicyle inner tube value made of high-grade aluminum alloy. Which greatly reduces the impact on the wheel balance and enables the driver to obtain better competition results. Fully automatic tapping machine, the internal tooth pattern is fine without burrs, and it is smoother to use. With the sealing ring to increase air tightness and prevent loosening of the nut. Offer greater locking force and better air tightness. Replacement with M6 diameter. Suitable for mountain bikes, road bikes and folding bikes. Just to use it and enjoy cycling!