- Premium Quality Construction: Crafted from high-grade steel, this coupler is designed for durability and resistance to deformation. Its fine structure ensures long-lasting performance, making it a reliable choice for your biking needs. - Easy Installation: Effortlessly install the necessary nuts to detach rear wheel bolts. Once removed, you can quickly connect or disconnect your trailer without the need for additional tools. The set includes a connecting plate, a lock washer, and a lock pin for secure attachment. - Universal Compatibility: This coupler is designed to seamlessly connect Schwinn and Instep trailers to nearly all bicycle models, providing versatile use across various brands. - Versatile Application: Suitable for both flat and angled couplers, this product accommodates various trailer sizes and styles. Perfect for family outings, it allows you to bike with your children or pets, enjoying fresh air and enriching parent-child bonding time. - Practical Use Scenarios: 1. Take your little ones on a scenic ride around the park, ensuring their safety and comfort in the trailer. 2. Enjoy a weekend bike trip with your pet, providing them with a fun and safe way to accompany you on your adventures. 3. Use it for daily errands, making it easier to transport your children or gear while cycling. This coupler combines essential functionality with robust construction, making it an indispensable accessory for biking enthusiasts who prioritize safety and convenience.