The Apex 4-Bike Pickup Truck Bed Bicycle Rack is designed to transport 1-4 bicycles in the back of a pickup truck bed measuring between 52.75into 73in wide. Features 2in diameter foam pads to protect bicycle spokes and gearing. Uses pin clip connections for easy fast assembly and does not require tools. Made with quality steel tube construction finished in a smooth black . It s highly recommended to secure bicycles together to the rack and to the pickup truck bed with cargo tie-down straps (not included).