This ladder mount Bike Rack by Stromberg attaches to your RV ladder and is secured to ensure a no-rattle rack. Once installed, pins can be pulled to easily give you access up and down your ladder. Our bike rack carries two bikes and will get them to your destination safe and secure. Made from aluminum to match the no rust finish of your RV ladder. Length from bend to tip of extended bike arms is 13 Inch, max distance between bike cradles is 9 Inch. Weight capacity of bike rack carrier is 50 Pound.