Chicco also sells these two together as the Bravo 3-in-1 Trio Travel System.
This answer is for the Chicco Bravo.
Key specs
Whole set, list prices
$519.98
Weight with carrier
34.4 lb
Seat rated to
30 lb, 30 in
On planes (FAA)
Yes
Stroller folded
15" x 22.8" x 29"
About this pair
The Chicco KeyFit 30 attaches straight to the Chicco Bravo; there is nothing extra to buy. With the carrier on, you are pushing about 34.4 lb (24.9 lb stroller, 9.5 lb carrier). The seat itself is rated up to 30 lb and up to 30 in, per Chicco.
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2 other infant seats fit the Chicco Bravo; Chicco Fit2 and Chicco KeyFit 35 need no adapter at all.
Summary from the makers' published data.
How to set up the Chicco KeyFit 30 on the Chicco Bravo
What you need
The Chicco Bravo
The Chicco KeyFit 30 carrier (its car base stays in the car)
The Chicco carrier attaches straight to the stroller frame; the manuals below show exactly where.
Before every walk
Check that the carrier is locked on both sides the way your manual describes. How we check our answers
Last check: give the carrier handle a gentle tug. A seat that is fully latched does not lift off.
“Compare Full-Size Strollers ... Bravo / Bravo Sport / Bravo LE ClearTex / Bravo Primo ClearTex / Corso LE / Corso Primo ClearTex / Corso Flex ... Car Seat Compatibility: All KeyFit & Fit2”
“Replace the Chicco infant car seat adapter bar on your Bravo Stroller. Usage: For use with all models of KeyFit, KeyFit 30, KeyFit 35, and Fit2 infant car seats.”