Featuring a 3-way mount system, the Kuat Trio fork mount can handle just about any bike you own. Its slim design, security system, and rugged good looks combine to create a versatile fork mount rack. Features a 1-bike capacity (45 lbs. maximum) a 3-way mount fits 9, 15 and 20 mm forks right out of the box; comes with an additional axle for 15 x 110 mm Boost forks a Optional Phat Tire Kit (not included) accommodates fat bikes a Mounts to most factory racks and all aftermarket crossbars (maximum crossbar size: 3.5 in. wide by 1.7 in. thick) a Integrated cable lock secures your bike&';s frame and rear wheel a Sliding rear tire strap a Fits up to 4 ft. between crossbars a Dimensions: 56 x 4 x 0.375 in.