Road Bike Cinverter Mountain Bike Pump Convert Bicycle Punp Tube Presta To Schrader Valve Adapter

Label:Yes Single Size:19*39mm Quantity:2 Package: 2PCS * Valve Adapter Material:Metal Color:as the picture

100% Brand new and high quality. Perfect item to have in your bike puncture repair or tool kit, if you have Presta valves (long thin screw type on racing road bike / and now on many mountain bikes and even some Childrens bikes such as Isla bikes) and you need to use a Schrader pump (car valve) as used in garages and on most household footpumps. Quality precision made, these are constructed from brass and have a small rubber seal, which makes refilling tubes more efficient as gives some seal. Even if you lose the seal, they will work if you use a compressor or pump fast! Multi-use valve adapter it is light, easy and convenient to install. It can cover all types of automobiles, motorbikes and bicycle. Presta valves are more effective for road racing and all terrain bicycles with narrow rims into which they fit perfectly well.