Description The Robert Axle Project Trailer Hitch Adapter Trek Thru-Skew ADA010 will allow you to attach a kid trailer or cargo trailer to your Trek bike with their proprietary ‘Thru Skew’ axle. This adapter works on bikes with Trek Thru-Skews. Robert Axle Project’s Trek Thru-Skew adapter for Kid Trailers and Cargo Trailers is designed to allow attachment of any hitch-mounted trailer. These 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. Share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favourite bike. Enjoy the adventure. Why Robert Axle’s Trailer Hitch Adapter Trek Thru-Skew ADA010? Robert Axle’s Trek Thru-Skew hitch adapter for towing kid trailers, dog trailers, and single-arm bike trailers is high quality and precisely machined. Working with all the two-wheeled child, pet and cargo trailers such as: Thule, Chariot, Burley, Instep, Carry Freedom, and many more. This hitch adapter is made of stainless steel and is incredibly durable. It’s built to handle towing a fully loaded bike trailer. It easily clears hooded dropouts and other interfering dropouts. It is easy to install. Simply replace the existing non-drive side nut with this adapter, and attach the hitch that came with your trailer. This hitch adapter uses a 17 mm wrench to attach your hitch more securely than with other knurled adapters. When installing the hitch, the 5 mm wrench isolates and protects dropouts from marring and over-tightening. Our friends at Robert Axle Project believe in enhancing the role of bikes in your life’s adventures. Expanding their immensely thorough catalogue of thru axles for trailers, racks, trainers, and more, helps them do that.