Item Weight 190 grams Item Dimensions Length x Width x Height 4.72 x 3.94 x 1.18 inches Frame Material Alloy Steel About this item What you get: Comes with 2 sets of bike trailer hooks, each set consists of 2 tools, enough to meet your daily needs or share with family or friends Universal Design: Our bike clutch clip is suitable for quick release axles and solid axles up to 12.2 mm / 0.5 inches, suitable for most bicycles and children's trailers; Note: Not compatible with Breezer style dropouts Sturdy and Durable Material: The bike trailer hitch is made of high quality steel, sturdy and solid, not easy to bend or deform, with fine structure, durable for long time use Functional Tool: With our bicycle clutch accessory, you can take your son or daughter and your pets on a bike ride and enjoy this quick interaction and fun of cycling together< /p> Portable: This sturdy bike trailer hitch accessory is not big, you can easily carry it in your outdoor bag, connect your child's trailer to