Yakima HoldUp Platform Hitch Bike Rack Add-On - Adds 2-BikesAdding on the HoldUp +2 lets you double your capacity to four bikes, each carried securely and in style. Carries two bikes, including mountain, road, hybrid, BMX, youth, fat tire, and E bikes up to 50 lbs 23 kg each StrongArm hook secures bikes at the front tire, with a flip away rear wheel strap for quick loading unloading Adjustable offset tray positions reduce bike to bike interference Fits 20" to 29" 700c wheel sizes and tires up to 4. 8" wide