Ensure your Hitch Rack reliably makes it to your destination by securing it with the Aventon 125mm Hitch Pin. Enjoy the peace of mind that comes with knowing your rack and ebikes are securely fastened and protected during transit. Product Specs: Length (pin and threads): 125mm Overall Length (end to end): 133mm Bolt Head Size: 19mm Lockable Pin End: 10mm Includes Pin Only