The 45-degree angle provides an ideal attachment position for many types of bike trailers. Wide Application: The bike trailer hitch fits almost all types of bikes and e-bikes, except for disc brakes. The bike trailer hitch coupler attachment is made of quality nylon and steel with black enamel coating, corrosion-resistant and durable. With this additional trailer hitch accessory, child trailers can be connected to both mom and dad's bikes. The couplers are integrated type, please make sure the size and type before purchasing. Feature With the complete hitch arm and hitch connector, easy to install without other tools required. A bonus, when your kids are tired of riding, you can tie them up next to your bike. Specifications Material: Steel and Nylon Color: As the picture shows Tips Before your purchase, please note the size and check if your trailer is suitable for it. Number of products: 1 piece Color: Silver + Black Size: 19.5 x 2.7 cm.Lonvre