It has 20 outrigger style wheels that roll smoothly and easily. The coupler is designed to fit rear axles that are held on by screw nuts. Great priced trailer, the stroller function is cool too though we rarely use it.

It has two adjustable 5-point harnesses that work as intended. The protective covers attach securely with velcro in multiple places. The inside compartment is amazing it is pleasantly very secure with a 5 point safety harness.

The top of the stroller is velcro'ed, so it was easiy to loosen it up the 2 inches that she needed. Her school is 1. The cargo space in the back is very nice.

It is amazingly easy to set up! Here is a link to a video detailing the installation process if you are concerned with the difficulty of setting them up. The pictures are helpful and it really isn't hard to put together, but just be warned you will ge...  Read More

Easy to assemble and has the versitility of jogger stroller or bike attachment. It's pretty easy to switch from bike trailer to jogging stoller. The bike tow bar tucks neatly under the trailer when in jogger mode.

The jogger wheel is cheesy. In jog mode it falls backward. I am really dependant on my stroller and this is in my opinion, very unsafe.

The trailer is not balanced, so when kids get in, it wobbles and goes forward. We live in a 2nd story apartment with a small patio and the ability to fold up into a compact shape was necessary and this trailer did not do that.