The Croozer cart set for your Croozer Cargo (2018 model) includes a support wheel and a tow bar. It ensures that you can use your Croozer Cargo (2018 model) even in tight spaces. This way, you can easily pull your trailer to the sunniest spot in the park for your next picnic. Delivery includes: 6-inch support wheel, tow bar, and support wheel bag.