This is a great way to transport your bike in the back of a pickup truck bed or safely locked inside an SUV. It requires a quick release on the front wheel for easy on/off. Many bikes have a quick release or you can add one to most bikes. It can also be securely mounted to a truck bed or to a wall in your garage or shop. Holds two bikes. Very good condition. $40 Jon 530-nine4nine-4067.