The Position on the Bike
You can also get child seats that you can install. Front seats fix directly onto the steering column, between the handlebar and saddle in front of the rider. These models can be fixed at their very lowest height so that the cyclist's visibility is not hindered
Child seats that fit are removable and more comfortable. Just make sure you check that the seat is compatible with the diameter of your frame.
Most models fix at the back of the bike. Some seats can be tilted so that baby can take a nap if needed.