The Saris Fat Tire Wheel Holder Set is a must-have for anyone who wants to transport their fat bike on a Saris bike rack. This fat tire wheel holder kit allows you to securely mount your fat bike to the rack. This bike tire holder fits bicycle tires up to 5" wide and is for use with all Saris Freedom and SuperClamp hitch racks. It features an extra-long wheel strap to secure Fat Tires.