This heavy-duty bicycle inner tube from Blackburn is designed to withstand the toughest of rides. With a Schrader valve and 18-inch wheel size, it is perfect for any bike enthusiast. The tube size ranges from 1.75-2.25 and is made of durable rubber material, ensuring a smooth ride even in harsh conditions. The package includes tire levers and a schrader valve, making it a convenient all-in-one solution for your cycling needs. Get ready to hit the road with confidence and stability, knowing that your tube can handle anything life throws your way.