Description: 【Quality material】: Crafted from quality alloy, this bike trailer hitch coupler is designed to wear resistant and sturdy, ensuring it remains deformed even with repeated long term use 【Easy installation】: Equipped with installation accessories, this bicycle adapter allows for quick and easy attachment and detachment, providing stability for your outdoor activities 【Versatile design】: The multifunctional design of this bike trailer hitch connector makes it suitable for connecting both child trailers and cargo trailers effortlessly 【Compact size】: With dimensions of 3 cmx4.6 cmx6 cm/1.18 inchx1.81 inchx2.36 inch, this cycling attachment boasts a compact structure that is sturdy yet easy to handle 【Wide application】: Ideal for various outdoor activities such as cycling trips, camping, fishing, and picnics, this bike replacement coupler offers great versatility in different scenarios Specification: Material: Alloy Size Chart: 3cmx4.6cmx6cm/1.18inchx1.81inchx2.36inch Package Includes: 1 Bike Trailer Hitch Coupler, 2 Snap Ring, 5 Nut, 1 Buckle Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.