Robert Axle Project QR Hitch Adapter 5mm QR. The QR Hitch Adapter is a high quality finely machined hitch adapter for towing single-arm trailers on bikes with 5mm quick release rear axles. Made from stainless steel the QR Hitch Adapter helps trailer hitches fit more bikes easily clearing hooded and interfering dropouts.

Easy to install by simply replacing the QR nut

Uses a 5mm hex to ensure your hitch and precious cargo are more securely attached than other knurled adapters

The 5mm hex also isolates and protects dropouts from marring and over-tightening of the quick release when installing the hitch