Whether you choose to stroll, jog, bike, hike or cross country ski, your CTS carrier can quickly and easily be converted so you can take your child wherever you want to go. CTS JOGGING KIT: Six months and upIf you enjoy getting out for a run, or you want an all terrain stroller, you'll need the CTS Jogging Kit to turn your carrier into a performance jogging stroller. Just attach the arms to your carrier's VersaWings and you are off. Please note that each Chariot is designed to work with a specific Jogging Kit, so be sure to choose the right kit for your carrier. Includes: Two ezClick aluminum jogging arms and one 16 quick release wheel.