The Yepp Mini seat is equipped with one Mini and or Windshield handlebar adapter.A second Yepp Mini handlebar adapter might come in handy to easily switch your Yepp Mini front child bicycle seat between different bikes in one family. After all the Yepp seat is quick and simple to snap into place and detach. In addition you can use the Yepp Mini handlebar adapter to fit the Yepp Windshield to another brands front seat.The Yepp Mini handlebar adapter can be attached to a steel, 1,5 inch exposed quill-type stem.