Wait until your child turns one and sits up unsupported. Confirm they hold...

https://www./parenting/when-can-a-baby-go-in-a-bike-seat-an-age-by-age-guide/

Wait until your child turns one and sits up unsupported. Confirm they hold their head steady while wearing a helmet. Choose trailers for stability, front seats for bonding, or rear mounts for toddlers. Keep rides short and always wear helmets!