Cybex Gold eGazelle S / Gazelle S 2 Second SeatAs your family grows, convert the Gazelle S 2 from a single to a double stroller. With a second full size seat two children can comfortably ride at the same time. Each Gazelle S 2 seat can be used in parent facing or forward facing mode and can be attached to either the strollers upper or lower positions. Specifications Easily converts your Gazelle S from a single to a double stroller without additional adapters. User friendly one pull harness system