【Excellence】The hitch is made of 304 stainless steel,Our Extra Long Quick Release Skewer has been tested and customized to be longer in length than normal, and with our shims, it's easier to use and adjust! 【What will you receive?】Extra long quick release skewer*1, 304 stainless steel hitch*1, different size adjustable spacers*2 【easy and simple】Use this hitch attachment to easily switch your Thule Chariot bike trailer between two bikes without wasting time on mounting and dismounting. Every member of the family can take on the towing role. 【Note】Our product Installs on bikes with solid and quick-release rear axles.If your bike use a 12mm rear thru axle, you need a Thru Axle Adapter to complete the installation work. If your bike outlet is not flat enough for a direct connection, you can use our equipped spacers for extension. Make a leveling installation Bike Trailer Hitch for Thule Chariot Bike Trailers Compatible with Thule Chariot Courier Coaster Cadence Axle Mount Bicycle Trailer Strollers