The Yakima StageTwo Add-On Bike Rack is designed to maximize the capacity of your outdoor adventures. This add-on effectively doubles your StageTwo bike rack's capacity to carry four bikes. It's engineered with a StrongArm hook that secures bikes at the wheels, safeguarding painted and carbon frames from contact damage. The StadiumSeating tiered bike trays cleverly offset bike height, reducing bike-to-bike interference. With the ability to fit a variety of bike types up to 40 lbs each and accommodate wheelbases from 30" to 52", it's the ultimate solution in bike transportation.