Specifications: Useful valve adapter for cycling fans. Light, easy, and convenient to install. It can convert the Presta valve into a Schrader valve. It can cover fixed gear, bicycle, and MTB, etc. Presta valves are more effective for road racing and all-terrain bicycles with narrow rims into which they fit perfectly well. Item Name: Valve Adapter Material: Aluminum Alloy Quantity: 4 Pcs/Pack (Same Color) Type: Presta Valve to Schrader Valve Features: Durable, Easy to Use, Cycling Accessories, Portable Note: Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Package Includes: 4 x Valve Adapters