1. Retractable bicycle strap: Our bike towing system is made of strong nylon and an elastic rope construction that can support a weight of up to 90 kg. The standard length of the bicycle pull rope is 2.5 m / 98 inches and offers plenty of range and flexibility. Its shock absorption makes it easier to drive uphill. 2. Reliable and practical: This bicycle tow strap has a sturdy round elastic end with double hooks. All you need to do is attach the children's pull rope to the saddle on the front of the bike and to the head tube on the back of the bike. Suitable for all types of riding. Provides a secure and reliable connection. 3. Comfortable and stable traction: Control the distance between two bicycles within 2.50 m and the traction is comfortable and stable. With a load capacity of 90 kg, you can enjoy a comfortable towing experience. Pull your child to the of the hill with the rope. A simple pull device for parentchild rides. 4. Parentchild adventure activity: This bicycle train system is a wonderful family activity that allows your children to enjoy the excitement of mountain biking and gives them extra power when they need it. Your child can enjoy the ride without getting tired.