Wait until your baby hits 9–12 months and keeps their head steady. They must...

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

Wait until your baby hits 9–12 months and keeps their head steady. They must sit unsupported before your first ride. Pick front seats for engagement, rear racks for stable handling, or trailers for cozy naps. You’ll love these adventures together!