10Pcs Bicycle Brass French Presta to Schraders American Valves Converter Adaptors Specifications: Light, easy and convenient to install. Convert a presta valves to a schraders valves. Used with a bicycle pump or a air compressor. Item Name: Bicycle Valves Adapter Material: Copper Features: Durable, Mini Size, Presta to Schraders Valves Size: 60cm x 60cm/23.62" x 23.62" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Bicycle Valves Adapter