DescriptionIf you are looking for a professional and affordable bike trailer coupler, then your research is over here. Thats because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. Great for connecting the parents bike with kids' trailers. It provides excellent stability and is compatible with a majority of bikes on the market.Features-Color: Silver, black. -Material: Alloy. -Size: About 7.70X5.50X3.00cm/3.03X2.16X1.18inch. -Made of sturdy alloy materials, not easy to corrode and age, durable in use and has long service life. -With this attachment, parents' bikes can be connected to the kids' trailers, very convenient and practical.-The workmanship of this product is perfect, and you will have a good experience in using it. -Not easily fall off, can ensure your baby's safety. Suitable for children's trailers and most bikes. -Perfect for pulling the trailer, riding your kids and pets around and towing the goods.