Details: Can you even believe they are ready for a big kid bike? Of all the things you have helped them to learn, hopefully biking will be something that you can really enjoy together. But first you have to get them out there and hope they are comfortable and the whole experience is fun and easy. For over 120 years Schwinn has been making bikes for kids but this is first time that Schwinn, or any other bike brand has completely redesigned a kids bike to fit a child s proportions. Up till now kids bikes were made like small adult bikes, but we know that the ergonomic needs of children are different.