2 Pieces Bike Trailer Coupler Set – Universal Coupling for Bicycle Trailers, Strollers, and Pet Trailers Features: - Practical Design: This bike trailer coupler allows you to securely connect a child stroller or pet trailer to your bicycle. Compact and lightweight for easy portability and convenient use. - Durable Construction: Made from high-quality steel with a black enamel coating for enhanced durability, resistance to rust and corrosion, and long-term performance. - Secure Connection: Designed to firmly attach to your bike and stay locked in place during use, providing a safe and stable towing experience. - Easy to Install: Simply attach the coupler to your bike frame, then connect the trailer using the included pin for quick setup. No tools required. - Versatile Compatibility: Fits most bicycle types including mountain bikes, folding bikes, and standard bicycles. Compatible with QR (quick release) axles and solid axles up to 12.2mm. Suitable for use with child trailers, pet trailers, and cargo trailers. Specifications: - Material: Steel - Maximum Load Capacity: 40kg - Quantity: 2 pieces - Weight: 252g - Dimensions: 7 x 3 x 3.5cm Package Included: 2 x Bike Trailer Coupler