Ideally suited for active families with children: The Thule Jogging Set CX Double Seater Expansion Set. Delivery includes two aluminum arms, a 16-inch wheel and a quick release. Mounting is very easy: Both arms are simply attached to the Chariot CX Double Seat Child Carrier via the click system and the wheel is mounted at the front via the quick release. Your kids may fall asleep while you are exercising because of the very smooth ride of the wheel. This Jogging Set CX Double Seater Expansion Set is a must-have for everyone who likes to go for a run or walk! ;"