The young trailer Thru axles allow the installation of a & # x201 C clutch mount & # x201d; style trailer, equipped in any thru-axle bike. Manufactured and tested in the USA, the young trailer axles are designed for maximum stability and ease of use. Customers use the clutch by trailer manufacturer. For use with Hitch-Mount System Trailers such as Thule Chariot, Burley, Rist, Croozer and much more. Stainless steel axle end a M10 x 1 screw insert, the popular suitable for coupling trailers. Installed or removed with a 5mm allen key. Trailer is not included. Developed in the USA, built and quality tested. With a 6mm flat spacer which makes this axle 180mm or 174mm long depending on whether the spacer is used. Length: the true length of this axle shaft 180 mm long. Thread pitch: 1.75 mm