Wait until your child is one. They must sit independently and support their...

https://www.bookmarkingqueen.win/most-experts-suggest-waiting-until-your-child-reaches-nine-to-twelve-months

Wait until your child is one. They must sit independently and support their head while wearing a helmet. Trailers provide the safest environment for infants, while front or rear seats suit active toddlers. Keep your first rides short and smooth.