Start biking once your baby sits unsupported and holds their head steady,...

https://wiki-burner.win/index.php/Is_It_Safer_to_Ride_on_Sidewalks_with_a_Child_Seat%3F_The_Reality_Check_Every_Parent_Needs

Start biking once your baby sits unsupported and holds their head steady, usually by age one. Choose front seats for connection, rear mounts for stability, or trailers for safety. Always ensure a perfect helmet fit