This is a pair of Ibex Ultra Comp 2.2" Tires No Foam. Pro-Line is ready to unleash the Ibex; the ultimate 2.2" Competition Crawling Tire! In nature, the Ibex is a powerful and wild species of mountain goat known for its large horns and incredible climbing abilities on near-vertical rock faces. This amazing animal served as an inspiration for developing the pinnacle of comp crawling tire performance: the 2.2" Ultra Comp Ibex tire in the legendary G8 compound.