Upgraded STRONGER HOOK -- We hope our customers can use this product more WORRY-FREE, we have improved the hook of the product to have a contact area with the bicycle, and the hook itself is thicker and more . Pulling force, please conduct a pulling force test before official use. If you have any questions, please to contact customer service. Superior Traction and -- Designed to withstand up to 90kg, our bicycle tow rope for children offers unparalleled towing capacity. The secure connection promises and stability on various terrains, making it the perfect addition for family outings. Its robust design ensures children are safely towed, transforming any ride into a worry-free adventure. Smooth and Comfortable Ride -- This tow rope features an elastic connection that absorbs bumps and provides a smooth ride. The bike towing system retractable design ensures a seamless experience, preventing the jarring movements often associated with traditional towing methods. It's an ideal solution for keeping the family together on any terrain. Easy to Connect-This tow rope is specially designed for mountain bikes. It only takes 2 steps to connect the parent's saddle to the stem of the children's bicycle for quick use. Multiple Apply-Our bicycle towing ropes are flexible enough, strong, flexible and shock-absorbing, and tow comfortably during riding.A great choice for parent-child travel. Ideal for uphill climbing; not suitable for downhill riding. Colour:Black Material:plastic Package Contents: 1 x Bicycle Leash Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.