The Bike Towing System Child Retractable is a convenient and safe way to tow your child on their own bike while allowing them to steer and balance themselves. The retractable tow strap can be easily extended or retracted while riding, helping to navigate bumps and uneven terrain. This bike tow strap features a solid round rubber band end with a double hook that attaches behind the seat post and under the seat, providing a durable and secure connection. It ensures stable performance between two bikes, with a maximum distance of 2.50 meters. This system assists children when climbing hills and supports enjoyable parent-child rides. The lightweight design weighs only 280 grams, making it easy to carry in a bag or backpack. The elastic band provides a comfortable distance between the bikes for a smooth riding experience. Product dimensions: 15 x 10 x 7 cm. Key Features: Retractable tow strap for improved handling over uneven surfaces; Solid round rubber band end with double hook for secure attachment; Maximum extension of 2.50 meters for stable towing; Lightweight construction at 280 grams; Allows children to maintain steering and balance; Compact size for easy storage and transport.