Tool-free, portable bike trailer attachment system designed for easy setup and secure mounting for trailers, straps, and tow ropes. - Tool-free installation: Simple installation process requires no professional tools; you can get your ride ready in minutes with bike trailer attachments and bike straps. - Compact and lightweight: Small, lightweight design for easy carrying and storage; ideal for family outings and travel; compatible with bicycle tow ropes and retractable tow ropes. - Easy to carry: Portable design makes it easy to take along so you can ride with your child or attach child bikes to adult bikes. - Quick start and reliable performance: Straightforward installation lets you start your ride quickly, with support for bike trailer attachment, tow rope setups, and retractable tow ropes. Use scenarios - Family rides: Attach a child bike trailer to an adult bike for a safe, coordinated outing. - Travel and trips: Pack the compact system and use it to convert bikes on the go, supporting trailer and tow rope configurations for flexible transport. - Multi-bike rides: Secure child bikes to adult bikes with compatible straps and attachments, enabling safe, easy sharing of rides among family members.