For those who like to go for a walk or run together with their child, the Thule Jogging Set CX Single-Seater Expansion Set is the perfect choice. It extends the Chariot CX Single Seater by a larger front wheel. Mounting is very easy: Both arms are simply attached to the front of the trailer via the click system and the 16-inch wheel is mounted via the quick release. The rigid wheel enables a very smooth ride, which is very pleasant for both the passenger and the person pushing the trailer. This Jogging Set CX Single Seater Expansion Set comes in very handy and is easy to use! ;"