Usage Tips:Material: rubberandmetal Valve: TR87 angled (Schrader valve) Size: 265 x 80 mm (3.00-4) Replacement inner tube for mobility scooters, Pride Mobility Scooters, electric scooters, gas scooters, go karts, mini ATVs, hand trucks, Hand Truck, Utility , Generator, Power Chair and more Tube 3.00-4 with curved valve stem compatible with a 4 inch rim. Depending on the manufacturer, the size of this hose may be listed as 3.00-4, 10 inchx3 inch or 260x85. Please check the details and size to make sure this part fits. Color: Black Package Contents: 2 x inner tubes 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. Note: 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. Sold by-Dadangjia