Key features

• •【Convenient and Practical】 Package includes 2 packs bike trailer coupler sets, with this extra trailer coupler attachment, both mom's and dad's bikes can be connected to the kids' trailers. A bonus, when your kids is tired of riding, you can tie him next to your bike. You can enjoy cycling with your family!
• •【Premium Material】Tobefore bicycle trailer adapter is made of high quality steel with black enamel coating, rustproof and sturdy. The bicycle trailer adapter can be put into your bike even without a trailer.
• •【Portable】Tobefore sturdy bike coupler attachment is not large, you can easily carry it in your bag for outdoor activities, connect your kids trailer with your bike, you can mount it on bike rear axle. You can enjoy this fast interaction, and have a good time by riding together!
• •【Easy to install】Tobefore bicycle coupler attachment is easy to install, no cutting, install directly. Note that it must be tightened, just to make sure it doesn't spin while tightening, and throw an Allen wrench through the pin hole and hold in position while tightening.
• •【Good Compatibility】Tobefore bicycle coupler attachment fits QR axles and solid axles up to 12.00mm (OD=0.48 inch), works with Burley bicycle trailers, disc brake and full suspension models.