Product Name: Bike Towing System Child Retractable Material: Nylon Weight: 0.3kg Color: Black Length: 2.5m Specifications: The bike towing system retractable is constructed with durable steel and nylon strap for sturdy use, ensuring reliability during towing. Easy to Install: The complete hitch arm and hitch connector make installation a breeze, requiring no additional tools. Wide Compatibility: Compatible with most universal bicycles and electric bikes, working with both quick-release and nutted axle wheels for versatility. Reliable Quality: The main box is made of PC+ABS material for enhanced durability, while the nylon tow rope offers super strong pulling force, wear resistance, and durability. Practical & Portable: After retraction, the pull ring can be wrapped around the seat tube and secured with a nylon buckle, ensuring lightweight portability without affecting the riding experience. Alternatively, it can be carried in a backpack or jersey for emergency use. Versatile Usage: Provides a solution for adults and their friends tired from long rides, attaching to the seatpost of any bike to tow another bike. This bike towing system retractable offers a practical and reliable solution for towing needs during outdoor activities, ensuring convenience and ease of use.