`- Specifically engineered to provide a safe and secure connection between bike and kid trailer\n- Stainless steel 10x1mm threaded stud designed into each axle, attaches the hitch supplied by each trailer manufacturer\n- Machined to the highest standards in the industry \n- Use The Robert Axle Finder (below) to find the correct axle\n- When multiple axle lengths are listed, the axle includes one or two spacers. The different lengths are with and without the spacers\n- Designed, tested and made in Bend Oregon