Baby Trend Rocket Lightweight Stroller
- Umbrella stroller for infant and toddler
- 50 lb maximum weight recommendation
- 5-point harness, one seat
- 4 wheels of 5.5 inches, with a brake system
- 2 cup holders
- 13.23 lb item weight, folds for transport
- Stroller cover/canopy included, 1 year warranty
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A lightweight umbrella stroller with a five-point harness, cup holders and a fold for transport. The wheels are small, so expect it to suit smooth surfaces better than rough ground.
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ASIN: B01B4NDBPMModel: ST21A21ACategory: Strollers
Overview
A five-point harness, a metal and plastic frame and a canopy define this Baby Trend umbrella stroller. The seat takes one child, the frame folds for transport and storage, and the fabric is polyester.
Folding convenience and a low carry weight suit travel and quick errands. The two cup holders are an extra for the parent. Wheels of modest diameter limit comfort off pavement, and the listing does not mention a car seat connection.
Who it's for
Parents with an infant or toddler who need something easy to fold and carry will find the essentials here, including brakes and a harness. Households that want a jogging stroller or an adapter for an infant car seat should look elsewhere.
Pros and cons
- Folds for easy transport
- Brake system included
- Cup holders for parents
- Small wheel diameter
- Car seat compatibility not listed
- Single seat only
- Canopy size unknown
Performance notes
The umbrella design uses a narrow, folding frame that cuts weight and storage space, while wheel size governs how well it rolls over cracks and curbs. The brake system holds the stroller when stopped. Care is a spot or wipe clean on the polyester fabric.
Specifications
| Brand | Baby Trend |
|---|---|
| Model | ST21A21A |
| Dimensions & fit | |
| Maximum Weight Recommendation | 50 pounds |
| Item Dimensions L X W X H | 40.55 x 29.5 x 18.3 inches |
| Back Wheel Diameter | 5.5 inches |
| Front Wheel Diameter | 5.5 inches |
| Item weight | 13.23 pounds |
| Capacity & performance | |
| Seating Capacity | 1 |
| Age Range Description | Infant, Toddler |
| Construction & materials | |
| Material | Metal, Plastic |
| Color | Princeton |
| Fabric Type | 100% Polyester |
| Tire Material | EVA |
| Frame Color | Blue |
| Included components | |
| Included Components | Stroller Cover/Canopy |
| Warranty & support | |
| Manufacturer Warranty Description | 1 Year Limited Warranty |
| Other details | |
| Stroller Type | Umbrella Stroller |
| Harness Type | 5 Point |
| Number Of Wheels | 4 |
| Number Of Cup Holders | 2 |
| Has Stroller Brake System | Yes |
| Care Instructions | Spot or Wipe Clean |
| Additional Features | Folds for Easy Transport and Storage |
| Harness Feature | 5-point harness |
| Import Designation | Imported |
Frequently asked questions
What size is the Baby Trend ST21A21A stroller?
The listing gives 40.55 x 29.5 x 18.3 inches (L x W x H) and an item weight of 13.23 pounds. Both wheel diameters are 5.5 inches.
Is the Baby Trend ST21A21A a jogging stroller?
No. It is listed as an umbrella stroller with 4 wheels of 5.5 inches, built for folding and transport rather than running.