Baby Jogger Snap & Go Diaper Bag- City Series/SummitBaby Jogger Diaper Bags are designed to attach to your stroller without adding weight to the handlebar. The diaper bag secures to the side of the stroller using the accessory mounting bracket beneath the canopy bracket (use on the City Classic requires the use of a belly bar or child tray for support). To remove the diaper bag, simply press the quick-release button on the support bar.