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

https://www.golf-bookmarks.win/most-experts-recommend-waiting-until-your-baby-reaches-9-to-12-months-your

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!