From the inventor of the jogging stroller comes the first of its kind Baby Jogger(R) City Prix(TM) Jogger x Bike Trailer: an innovative jogging stroller crossover designed for ultimate off-road experiences and can easily transition to an aerodynamic bike trailer (trailer kit sold seperately). Features: The sleek jogging stroller to bike trailer crossover from the inventor of the jogging stroller (trailer kit sold separately) Consult your pediatrician before jogging with a baby under 6 months old Seatback storage with a dedicated phone and water bottle pocket that can be zipped off and used as a backpack Integrated mesh covering helps protect your child from debris for a comfortable ride All-wheel suspension provides shock absorption for a smooth ride Front swivel wheel easily locks for bumpy terrains or while jogging and running A large under-seat storage basket provides enough space, so you always have everything you need within reach Full, UV 50+ canopy with magnetic mesh window keeps child shaded while allowing you to easily check in Air-filled Innova rubber tires make for a smooth ride, whether walking or jogging on any terrain Safety features include reflectors, hand-operated deceleration brake, foot brake, and handlebar tether strap Supports children up to 55 lbs. Pet friendly