RETRACTABLE BIKE STRAP: This bike towing system allows you to pull your child on their own bike while helping them maintain balance and control. The adjustable strap can be shortened or lengthened during use to suit various terrains and road conditions. COMFORTABLE AND STABLE TOWING: The bicycle tow strap extends up to 2.50 meters, maintaining a safe and consistent distance between two bikes for stable and comfortable towing. With a load capacity of 550 lb, the elastic band provides smooth traction, allowing you and your child to enjoy a seamless riding experience. EASY AND SAFE TO USE: The bike tow strap features a durable round rubber band with a double hook design that securely attaches behind the seat post and under the seat, ensuring a quick, stable, and safe connection. PORTABLE DESIGN: Lightweight and compact, the bike tow strap is easy to carry and store. It fits conveniently in a backpack or bag and weighs only 280 g. Product dimensions: 15 x 10 x 7 cm. ASSISTED PULLING: This tow strap helps parents pull children uphill, providing gentle assistance during family bike rides and making longer journeys more enjoyable for young riders.