Specification Brand : Aosom BulletPoint1 : Instruction: Used for pet trailer, bicycle trailer or baby trailer and stroller. For use with certain models of Aosom brand trailers only. BulletPoint2 : Simple to Use: With this extra hitch, you can do the exchange in less than 30seconds. Allows for quick and easy detachment of trailers. BulletPoint3 : Premium Material: Made of carbon steel with powder coating, durable and sturdy, it has great bearing capacity. BulletPoint4 : Have Fun: Use this connector to get your bike equipped with the trailer and have lots of fun with your family. BulletPoint5 : Product Information: Tube Size: Φ0.7" x 1.8" L. Connecting Hole Size:Φ0.3". Before your purchase, please check your trailer whether fits it Color : Black ExternallyAssignedProductIdentifier1 : 609207964209 ExternallyAssignedProductIdentifier2 : 0609207964209 ExternallyAssignedProductIdentifier3 : 6932185949673 ExternallyAssignedProductIdentifier4 : 00609207964209 ImportDesignation : Imported IncludedComponents : 1 x Trailer Connector ItemDisplayDimensions_Height : 1.8 inches ItemDisplayDimensions_Length : 2 inches ItemDisplayDimensions_Width : 1.25 inches ItemDisplayWeight : 1 pounds ItemName : Aosom Bike Trailer Hitch Attachment, Fast and Easy Setup, Bike Trailer Replacement Part, Cycling Adapter Accessories Type 'A' Hitch Connector for Cargo, Child, and Pet Trailers ItemPackageDimensions_Height : 42.291 centimeters ItemPackageDimensions_Length : 12.2936 centimeters ItemPackageDimensions_Width : 33.782 centimeters ItemPackageQuantity : 1 ItemShape : Irregular ItemTypeKeyword : cargo-carrier-bike-trailers Manufacturer : Aosom Direct Material : Carbon Steel ModelName : Trailer Connector ModelNumber : 5664-0001CN NumberOfBoxes : 1 PartNumber : 5664-0001CN ProductSiteLaunchDate : 2009-05-18T00:13:48-00:00 Size : 0.7" x 0.7" x 1.8"H Style : Child SupplierDeclaredDgHzRegulation : not_applicable TargetAudience : Adult-Unisex UnspscCode : 25161500 WarrantyDescription : 1 Year