This adaptor is used to convert the Presta / Fench valve, to Schrader/American valve opening.
The Presta to Schrader valve adaptor will help you air your bike at any petrol filling station. You do not need to purchase two pumps. Car valve – Schrader valve pump will do.
Material: Aluminium Alloy
Colours: as shown in the picture
Size: Approx 1.5*0.9*0.7cm( L* Big head dia * Small head dia )
Set consists of：2PCS Presta to Schrader Bicycle Bike Valve Adaptors
Convert a Presta valve to a Schrader valve, also turn a UK valve into a US Valve