The Kuat Phat Bike Kit will allow you to to accommodate up to 5" wide tires on your Kuat bike rack, making it easier to take your fat bike on all your adventures. This item includes the strap extender for the rear tire strap and a secondary velcro strap for the front tire. Features: Includes rear tire ratchet strap extender and front tire hook & loop strap Works with the Kuat NV, NV 2, NV Core, Transfer, Sherpa, Sherpa 2.0 and Trio Specifications: Max Tire Width: 5"