Robert Axle QR Adapters for Kid Trailers and Cargo Trailers are designed specifically to fit your 5mm quick release bike and allow attachment of any hitch-mounted trailer. These QR Hitch Adapters fit any trailer that has two wheels and a single point of attachment to the axle. This includes all the two-wheeled child, pet and cargo trailers such as: Thule, Chariot, Burley, Instep, Carry Freedom, and many more.

If your bike has a 12mm thru axle we make thru axle adapters that you can find by using our Axle Finder here.

Purchase our QR Hitch Adapter for your bike. Share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favorite bike. Enjoy the adventure.

Robert Axle for Kid Trailers replaces your stock quick release nut so you can attach a child or cargo trailer to your 12 mm thru axle equipped bike.

• This axle is compatible with Burley, Carry Freedom, Chariot/Thule, Croozer, Instep, and many more hitch style trailers.
• The adapter is compatible with 5mm quick release skewers.
• The QR hitch adapter is precision CNC machined.
• The QR hitch adapter is stainless steel.
• The threads for mounting the hitch provided with your trailer are M10x1 (metric).
• Hardware for attachment of the hitch is included; the hitch is not.
• No special tools required. Design allows for installation or wheel removal using your standard 5mm hex wrench.
• Designed, built and quality tested in the USA. Proven around the world.