The Aventon Child Carrier Kit is designed to give your Abound passengers unmatched comfort and security. The long seat pad covers the entire rear rack to accommodate multiple passengers, while the handrails offer security and stability to keep your co-pilot(s) safe on your rides. Compatible models: Abound and Abound LR. Also compatible with the Thule Yepp Nexxt Maxi Rack Mount Child Seat if the seat pad is disconnected Not compatible with Abound SR