There are two main styles of child bike seats those mounted on the front and those on the rear.
Baby bike seat age.
These are both suitable for carrying a child from around six months when they can sit up unaided.
Infants vary a lot as to the age at which they are able to sit up unaided as in sitting in the middle of the carpet playing with toys etc which is when they are ready to ride in the usual sort.
Most child seats are suitable for children between the ages of about nine months and four years.
The general rule and law in some states is that a child must be 9 months old to ride in a child bike seat or bike trailer.
And are the most popular type of seat on the market.
Rear seats are suitable for ages 12 months to 48 lbs.
There are three different types of baby or child bikes seats classified by where the seat is mounted on the bike.
This is the average age in which a child can support their head and neck on their own.