Universal Compatibility: Designed to fit both AV (Schrader) and (Presta) valves, this nozzle adapter ensures a for a wide range of bicycles, including mountain bikes and road bikes. Construction: Made with high-quality materials, this replacement valve head is built to last, ensuring reliable performance and . Easy Installation: The pump nozzle adapter can be easily attached to your bike floor pump, making it a hassle-free replacement part. Enhanced Pumping Efficiency: Improve your bike pump's efficiency with this precisely engineered nozzle adapter, designed for optimal air flow and pressure. : Product Name: Adaptation of AV and pump nozzle + Hose Air pipe outer diameter: 10mm Joint airtight rubber ring: 11.6mm Joint nut thread: M16 Air pipe: 1 meter Purpose: Pump nozzle can be adapted to AV and air nozzles. Material: PA66+ fiber composite material Color: Black Package Contents: 1 * air nozzle 1 * hose 1 * connector nut Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.