
Chicco Corso Primo
Full-size
- Weight
- 26 lb
- Folded size
- 15.5 x 24.8 x 32 in
- Handlebar height
- 39.5–44.5 in
Best for: Chicco KeyFit owners stepping up to a full-size seat
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Full-sizeChicco
A built-in youth seat with a 3-point harness and a standing platform, plus room for a second modular seat, make the Corso Flex a convertible full-size. It weighs 34.5 lb as a single and holds 40 lb per seat.
Best for: A toddler and a baby riding one frame
~$680list price at the last catalog update
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34.5 lb as Chicco weighs it.
Source: Chicco spec: "Weight (Single Toddler) 34.5 lbs"; 40.5 lb with the second seat, 26.4 lb frame only
The first months: Newborns ride in an infant car seat. Chicco: all Chicco infant car seats attach with the included adapter.
| Seat family | How it attaches | Models the maker names |
|---|---|---|
| Chicco KeyFit / Fit2 | Adapter: Included adapter | All Chicco infant car seats |
Source: Chicco Corso Flex page: "All Chicco infant car seats with included adapter"
The whole car-seat matrixChicco publishes no handlebar height for this model, so taller parents have nothing to check it against here.
Over by 14.8 in (3 sides over)
| Side | Folded | Limit | Over |
|---|---|---|---|
| Longest | 31.4 in | 22 in | +9.4 in |
| Middle | 26.3 in | 14 in | +12.3 in |
| Shortest | 23.8 in | 9 in | +14.8 in |
Measured against the Delta Air Lines carry-on size limit. How the check works
Source: Chicco spec: "Folded Dimensions (Single Toddler) 23.8 x 26.3 x 31.4 in"; 27 x 26.3 x 31.4 in with the second seat

Full-size
Best for: Chicco KeyFit owners stepping up to a full-size seat
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Full-size
Best for: One stroller from newborn car seat to toddler on a limited budget
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Full-size
Best for: A full-size with a big basket and tires that never go flat
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