Baby Jogger City Select 2 Second Seat Adapters - Compatible Stroller Accessories for Twins or Multiples - Perfect for Shopping, Travel & Outdoor Adventures with Your Little Ones

With a few simple snaps, these brackets can turn your City Select® 2 single stroller into a double stroller. The brackets allow you to attach a second seat or a car seat adapter to your stroller in the lower position, giving you the ability to fully customize your City Select® 2.