The Bell Standard Mountain Bike Tire is a high-quality tire perfect for any cyclist looking for a reliable and sturdy tire. This tire is made of carbon fiber and rubber materials, making it durable and puncture-resistant. Its knobby tread design ensures a secure grip on any terrain, while its foldable feature makes it easy to transport.The tire comes in black and measures 18 inches in wheel size, with a width of 2.125 inches and a weight of 3 pounds. It is compatible with cruiser, hybrid, and mountain bikes and comes with a set that includes one tire. This item is new in box and is manufactured in China