YAKIMA FRONTLOADER BIKE CARRIERThe Yakima Front-Loader does not grab painted surfaces and can handle disc brakes, thru axles and suspension forks. The rack allows you to mount your bike to the top of your car without having to take the front wheel off. A large red knob is twisted once the bike is placed on the rack in order to secure it in place. It boasts a very simple design that is quick and easy to use. Features Fits factory, round and square bars with no adapters Lockable to crossbar and bike to rack (lock cores sold separately)Adjusts to fit 20" bikes up to 29ers | Yakima | Frontloader Bike Carrier Upright Bike Mount