The Blackburn 27" Road Bike Tire with Flat Protection is a smart choice for anyone who owns a compatible bike. Anti Puncture technology provides a protective layer with increased strength and extra puncture resistance. Our road bike tire features a carbon steel bead for extra safety, and tire strength. They are extremely durable and built to stand up to the elements. The inverted tread offers superior traction and is ideal for smooth bike trail to road riding, so you can enjoy your rides without worry. 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.