I really like how safe and secure this base feels. Doesn’t slide around like some bases I have used. On the pricey side but seems worth it for the baby jogger product.Easy to install. Works great. It feels very sturdy
https://www.walmart.com/ip/Baby-Jogger-RAPIDLOCK-Infant-Car-Seat-Base-for-City-GO-City-GO-2-and-City-GO-AIR-Black/564961776