The Kuat Trio Fork Mount Bike Carrier offers multiple front axle fitment compatibility, mounts to a variety of factory, OE or aftermarket bars. Features: Up to 4 feet between cross bars Max crossbar size: 3.5" wide by 1.5" thick Included fork adapters 9x100, 15x100, & 15x110mm Boost 1 Bike Capacity (45 lbs. max) Adapters available for additional fork sizes Optional adapter kit for fat bikes Mounts to most factory & all aftermarket cross bars Integrated Cable Lock (locks both frame and rear wheel) Sliding rear tire strap Specifications: Weight: 7 lbs. Dimensions: 56" x 4" x 1 3/8"