The Blackburn 18" Mountain Bike Tire with tall, knobby tread with superior traction is ideal for smooth trail to technical single-track riding, so you can enjoy your rides without worry. Our mountain bike tire showcases a carbon steel bead for extra safety, and tire strength. They are extremely durable and built to stand up to the elements. Conveniently, these tires fold and unfold without damage, making them easy to transport from place to place. Blackburn tires are ultra-durable and made for adventure. The tires will stand the test of time, ride after ride.