Application: This bike track pump suitable for mountain bikes, road bikes with valve tubes. A perfect pump head replacement in case yours has broken Package Contents: Includes 1 pieces dual head bike track pump, super compact and lightweight to bring everywhere. Easy To Install: Our bicycle pump accessories are easy to install, you only need to install them on the hose, no other tools or complicated steps are required. Material: Our bike pump adaptor is made of brass, strong and durable, smooth surface, comfortable to hold and wear-resistant. Size: The size of our double-headed bicycle track pump is 62 x 40mm/2.44x1.57 inch, which is suitable for most bicycle pumps on the market. Bike Pump Adaptor, Dual Head Bike Track Pump Tyre Air Pump Valve Adapter Bicycle Pump Connector Head Accessories Description: The size of our double-headed bicycle track pump is 62 x 40mm/2.44x1.57 inch, which is suitable for most bicycle pumps on the market. Our pump parts are made of brass, strong and durable, smooth surface, comfortable to hold and wear-resistant. Our double-head bicycle track replacement head is designed to install any headed track pump and is suitable for most bicycles. Features:. Bike pump adaptor. -Color: As shown. -Material: Brass. -Size: 62 x 40mm/2.44x1.57 inch. Applicable to 7.8mm caliber hose. Universal Bike Pump Adaptor:. This bike track pump nozzle adapter comes with a versatile dual valve design, which is compatible with all kinds of valves like valves of French, US types, convenient for you to inflate tubes easily. Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Package Including 1 * Dual head bike track pump