Looking for a smooth stroller ride for when the going gets bumpy? Up-Grade With These All-Terain Wheels. These Keenz All-Terrain Wheels are an upgraded wheel to the standard wheels that are included on your 7S. Whether you’re gearing up for a vacation adventure in the snow or sand, or your everyday life has a mix of terrains, these wheels will help you navigate it all. These super-sized wheels make it a cinch to slide over tree branches, groove over gravel, and ease your way over uneven ground.