Valco Ultra Duo S2
The Valco Ultra Duo S2 weighs 30 lb, folds to 6.4 cu ft, and holds a child up to 45 lb, per Valco Baby. The maker lists the seat as reclining flat for use from birth. The seat faces you or the world. A side-by-side double with reversible seats, built to fold small enough for a car trunk.
- $849.95List price
- 30 lbWeight
- 6.4 cu ftFolded
- 45 lbHolds up to
How the Ultra Duo S2 stacks up
Against the 64 double strollers we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for double strollers (26 in to 30 in).
Above the typical range for double strollers (5 lb to 20 lb).
Within the typical range for double strollers (25 lb to 35 lb).
Within the typical range for double strollers (6.1 cu ft to 11.7 cu ft).
Within the typical range for double strollers (40 lb to 50 lb).
Above the typical range for double strollers ($224.99 to $749.99).
What sets the Ultra Duo S2 apart
Measured against the 64 double strollers we compare, from each maker's published specs.
- Seat faces you or the world5 of the 44 double strollers with this listed have it
- Lowest seat sizeof the 12 double strollers that list it: 9 in wide, 17 in seat back
- 6th highest basket limitof the 48 double strollers with it published: 22 lb
- Open width: 27.5 inin the middle half of the 43 double strollers that publish it (26 in to 30 in)
- Weight: 30 lbin the middle half of the 60 double strollers that publish it (25 lb to 35 lb)
Next to its closest matches
- BOB Gear Revolution Flex 3.0 DuallieNext to it, the Ultra Duo S2 is 3 in narrower; 12 lb more basket capacity; 3.1 lb lighter; has seat faces you or the world (the Revolution Flex 3.0 Duallie doesn't).
- Baby Jogger Summit X3 DoubleNext to it, the Ultra Duo S2 is 5 in narrower; 12 lb more basket capacity; 7 lb lighter; has seat faces you or the world (the Summit X3 Double doesn't).
- UPPAbaby Minu DuoNext to it, the Ultra Duo S2 is 0.3 in narrower; 2 lb more basket capacity; 2.6 lb heavier; has seat faces you or the world (the Minu Duo doesn't).
Ultra Duo S2: from newborn to toddler
| Stage | What Valco Baby lists |
|---|---|
| From birth | Yes, seat lies flat |
| Seat recline | Near-flat |
| Seat faces | You or the world (reversible) |
| Seat holds | Up to 45 lb |
Limits as the maker lists them. Follow the manual for your stroller.
Listed features
- Seats face either direction
- Independent near-flat recline
- Folds with both seats attached, facing either way
- Basket holds up to 22 lb
Worth checking
- Heavy for a double at 30 lb
- Car seat adapters sold separately
- Wide at about 28 in
Where to buy the Ultra Duo S2
- From the makerValco BabyVisit maker (opens in a new tab)
- StrolleriaSee it (opens in a new tab)
- Mega babiesSee it (opens in a new tab)
- Bambi BabySee it (opens in a new tab)
We list a store only after confirming it carries the Ultra Duo S2.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Valco Baby Ultra Duo S2 | |
|---|---|
| List price | $849.95 |
| Weight | 30 lb |
| Folded size | 31 × 27.5 × 13 in6.4 cu ft |
| Open size | 32.5 × 27.5 × 42 in |
| Seat holds up to | 45 lb |
| Seat layout | Side by side |
| Seats | 2 |
| Each seat holds up to | 45 lb |
| Open width | 27.5 in |
| Infant car seats that fit | 1-2 infant car seats (adapter sold separately) |
| Seat setups | reversible seats (parent- or world-facing), independent recline |
| Standing board or bench | No |
| From birth? | Yes, seat lies flat |
| Newborn add-on | Near-flat recline with adjustable footrest 'built-in cocoon for newborns'; bassinet compatible; car seat(s) via adapter |
| Seat size | 9 in wide, 17 in seat back |
| Seat recline | Near-flat |
| Seat faces you or the world | Yes |
| One-hand fold | Yes |
| Fits airline overhead bin | No |
| Converts to a double | No |
| Basket | 22 lb, Measures 25 x 9 x 24 in |
| Car seats | Fits 1 or 2 infant car seats with adapters sold separately |
| Car seat adapters | Valco car seat adapter (sold separately) |
| Folds with the seat on | Yes |
| Warranty | 1 year |
| Handlebar height | 42 in |
| Wheels and suspension | Infinity wheels with built-in suspension |
| Canopy | Three-stage extended, UPF 50+, magnetic peek-a-boo window |
Compare the Ultra Duo S2 with
How each closest rival differs from the Ultra Duo S2, from the makers' specs.
- BOB GearRevolution Flex 3.0 Duallie33.1 lb12.4 cu ft folded$899.99
- 3 in wider
- 12 lb less basket capacity
- 3.1 lb heavier
- Baby JoggerSummit X3 Double37 lb9.9 cu ft folded$799.99
- 5 in wider
- 12 lb less basket capacity
- 7 lb heavier
- UPPAbabyMinu Duo27.4 lb4.9 cu ft folded$749.99
- 0.3 in wider
- 2 lb less basket capacity
- 2.6 lb lighter
- Valco BabyTrend Duo Sport SE27 lb8.5 cu ft folded$949.95
- 2 in wider
- 3 lb lighter
- 2 cu ft bigger folded
Ultra Duo S2: questions answered
From Valco Baby's published specs, last checked 2026-11-06.
How much does the Valco Ultra Duo S2 weigh?
The Valco Ultra Duo S2 weighs 30 lb. The lightest double stroller we track is the Dream On Me Twin Venture Umbrella Double at 15.43 lb.
How big is the Valco Ultra Duo S2 when folded?
It folds to 31 × 27.5 × 13 in, about 6.4 cubic feet. Compare folded sizes of all double strollers.
Can you use the Valco Ultra Duo S2 from birth?
Yes, seat lies flat. Car seats: Fits 1 or 2 infant car seats with adapters sold separately.
What is the weight limit of the Valco Ultra Duo S2?
The seat holds a child up to 45 lb.
Does the Valco Ultra Duo S2 fit in an airplane overhead bin?
No. Plan to gate-check it. For overhead-bin strollers, see compact and travel strollers.
Can the Valco Ultra Duo S2 be converted to a double stroller?
No. For two kids, see our double strollers.
How much does the Valco Ultra Duo S2 cost?
The maker's US list price is $849.95. Sale prices change often, so check the retailer.
What's the difference between the Valco Ultra Duo S2 and the BOB Revolution Flex 3.0 Duallie?
By the specs, the Ultra Duo S2 is 3.1 lb lighter, and the Ultra Duo S2 lists for $50.04 less. See the Ultra Duo S2 and Revolution Flex 3.0 Duallie side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More double strollers
- Valco BabySlim Twin S227 lb7.2 cu ft folded$749.95
- ZoeTrio38.5 lb60 lb limit$799
- NunaTRVL dubl25.2 lb9.7 cu ft folded$950
- ZoeTribe45.2 lb60 lb limit$849
- Baby JoggerCity Mini GT2 Double36.5 lb7.9 cu ft folded$749.99
- ThuleUrban Glide Double35.3 lb8.3 cu ft folded$999.95
Where these specs come from
- megababiesusa.com/products/valco-baby-ultra-duo-s2-double-stroller
- strolleria.com/products/valco-baby-ultra-duo-s2
- valcobabyusa.com/products/ultra-duo-s2
Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.