{
  "schema_version": "compare-page.v2",
  "page_id": "single-to-double-strollers-for-a-second-seat",
  "url": "https://robotrunk.com/compare/want/single-to-double-strollers-for-a-second-seat",
  "title": "Single-to-double strollers for a second seat",
  "question": "Can a second seat be added to a single stroller that is already owned? Compare strollers that convert from single to double.",
  "answer": "The facts below describe strollers sold as convertible from single to double. They do not describe a seat kit for an existing stroller.\n\nCybex Gazelle S 2: Converts from single to double without adapters. Integrated seat adapters tuck into the frame, and the top adapters shift up for a second seat or to bring the shopping basket close.\nBugaboo Donkey 6: A synthesis of six sources (four full tests) gives an average professional score of 83/100, with strengths listed as a very smooth ride even in duo, the 15 kg basket and side bag, and single-to-double conversion in under a minute without tools.\nCybex e-Gazelle S: The e-Gazelle S is from birth to about 4 years, max 22 kg in single mode and 2 x 22 kg in duo mode.\nThule Sleek 2: The maker describes it as a convertible stroller designed to grow with the family, configurable for one or two children.",
  "kind": "single-to-double strollers",
  "market": "US",
  "generated_at": "2026-10-23T06:10:52.047Z",
  "columns": [
    "Conversion",
    "Size",
    "Owner sentiment"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f2",
      "product": "Cybex e-Gazelle S",
      "field": "Age and weight limits",
      "value": "The e-Gazelle S is from birth to about 4 years, max 22 kg in single mode and 2 x 22 kg in duo mode.",
      "stated_as": "Age range: From birth up to approx. 4 years\nChild weight (in single mode): Max. 22 kg\nChild weight (in duo mode): Max. 2 x 22 kg",
      "source_type": "guide",
      "source_url": "https://www.cybex-online.com/en/gb/p/10106194.html",
      "source_read_at": "2026-10-09T15:04:33.044Z"
    },
    {
      "ref": "p1.f6",
      "product": "Cybex e-Gazelle S",
      "field": "Owner sentiment",
      "value": "The model has an 87% positive sentiment score across 137 reviews.",
      "stated_as": "The model has an 87% positive sentiment score across 137 reviews.",
      "source_type": "review",
      "source_url": "https://redditrecs.com/baby-stroller/model/cybex-e-gazelle-s/",
      "source_read_at": "2026-10-09T15:04:53.420Z"
    },
    {
      "ref": "p1.f7",
      "product": "Cybex e-Gazelle S",
      "field": "Dimensions and weight",
      "value": "The stroller measures 945–1075 mm long, 660 mm wide, 1000–1100 mm high and weighs 14.7 kg.",
      "stated_as": "Length\n945 - 1075 mm\nWidth\n660 mm\nHeight\n1000 - 1100 mm\nWeight\n14.7 kg",
      "source_type": "guide",
      "source_url": "https://www.cybex-online.com/en/gb/p/10106194.html",
      "source_read_at": "2026-10-09T15:04:33.044Z"
    },
    {
      "ref": "p2.f3",
      "product": "Thule Sleek 2",
      "field": "Convertible stroller",
      "value": "The maker describes it as a convertible stroller designed to grow with the family, configurable for one or two children.",
      "stated_as": "A convertible stroller designed to grow with your family",
      "source_type": "guide",
      "source_url": "https://www.thule.com/en-us/strollers/full-size-strollers/thule-sleek-2-_-11000037",
      "source_read_at": "2026-10-11T06:55:43.536Z"
    },
    {
      "ref": "p3.f9",
      "product": "Cybex Gazelle S 2",
      "field": "sentiment",
      "value": "Aggregated sentiment is 88% positive from 136 reviews.",
      "stated_as": "Aggregated sentiment is 88% positive from 136 reviews.",
      "source_type": "review",
      "source_url": "https://www.redditrecs.com/baby-stroller/model/cybex-gazelle-s2/",
      "source_read_at": "2026-10-09T15:14:58.414Z"
    },
    {
      "ref": "p3.f10",
      "product": "Cybex Gazelle S 2",
      "field": "single to double",
      "value": "Converts from single to double without adapters.",
      "stated_as": "Converts from single to double without adapters.",
      "source_type": "blog",
      "source_url": "https://pishposhbaby.com/blogs/blog/new-cybex-gazelle-s2-stroller-full-review",
      "source_read_at": "2026-10-09T15:15:43.207Z"
    },
    {
      "ref": "p3.f11",
      "product": "Cybex Gazelle S 2",
      "field": "stroller dimensions",
      "value": "The stroller measures 41.9 in long, 25.4 in wide and 42.7 in high.",
      "stated_as": "Stroller dimensions: 41.9 in. L x 25.4 in. W x 42.7 in. H.",
      "source_type": "listing",
      "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
      "source_read_at": "2026-10-08T19:02:14.639Z"
    },
    {
      "ref": "p3.f12",
      "product": "Cybex Gazelle S 2",
      "field": "integrated adapters",
      "value": "Integrated seat adapters tuck into the frame, and the top adapters shift up for a second seat or to bring the shopping basket close.",
      "stated_as": "Integrated seat adapters tuck into the frame, and the top adapters shift up for a second seat or to bring the shopping basket close.",
      "source_type": "review",
      "source_url": "https://www.youtube.com/watch?v=L8vNOduh7l4",
      "source_read_at": "2026-10-09T15:18:27.881Z"
    },
    {
      "ref": "p5.f2",
      "product": "Bugaboo Donkey 6",
      "field": "sentiment",
      "value": "Aggregated owner sentiment is 72% positive across 259 reviews.",
      "stated_as": "Aggregated owner sentiment is 72% positive across 259 reviews.",
      "source_type": "review",
      "source_url": "https://redditrecs.com/baby-stroller/model/bugaboo-donkey-6/",
      "source_read_at": "2026-10-09T00:30:37.935Z"
    },
    {
      "ref": "p5.f3",
      "product": "Bugaboo Donkey 6",
      "field": "width",
      "value": "The 29.1 inch double width is said to clear a standard 30 inch interior doorway, which is the entire design goal of the model, and buyers are told to measure their narrowest doorway.",
      "stated_as": "The 29.1 inch double width is said to clear a standard 30 inch interior doorway, which is the entire design goal of the model, and buyers are told to measure their narrowest doorway.",
      "source_type": "review",
      "source_url": "https://parentcalc.com/reviews/bugaboo-donkey-6-review",
      "source_read_at": "2026-10-09T00:30:39.223Z"
    },
    {
      "ref": "p5.f5",
      "product": "Bugaboo Donkey 6",
      "field": "summary of tests",
      "value": "A synthesis of six sources (four full tests) gives an average professional score of 83/100, with strengths listed as a very smooth ride even in duo, the 15 kg basket and side bag, and single-to-double conversion in under a minute without tools.",
      "stated_as": "A synthesis of six sources (four full tests) gives an average professional score of 83/100, with strengths listed as a very smooth ride even in duo, the 15 kg basket and side bag, and single-to-double conversion in under a minute without tools.",
      "source_type": "review",
      "source_url": "https://www.troviio.com/produit/bugaboo-donkey-6",
      "source_read_at": "2026-10-09T00:30:43.951Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9681282269415",
      "name": "Cybex Gazelle S 2",
      "url": "/products/ucp/albeebaby-com/9681282269415",
      "why": "Converts from single to double without adapters.",
      "cells": [
        {
          "column": "Conversion",
          "fact": {
            "field": "single to double",
            "value": "Converts from single to double without adapters.",
            "stated_as": "Converts from single to double without adapters.",
            "source_type": "blog",
            "source_url": "https://pishposhbaby.com/blogs/blog/new-cybex-gazelle-s2-stroller-full-review",
            "source_read_at": "2026-10-09T15:15:43.207Z"
          }
        },
        {
          "column": "Size",
          "fact": {
            "field": "stroller dimensions",
            "value": "The stroller measures 41.9 in long, 25.4 in wide and 42.7 in high.",
            "stated_as": "Stroller dimensions: 41.9 in. L x 25.4 in. W x 42.7 in. H.",
            "source_type": "listing",
            "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
            "source_read_at": "2026-10-08T19:02:14.639Z"
          }
        },
        {
          "column": "Owner sentiment",
          "fact": {
            "field": "sentiment",
            "value": "Aggregated sentiment is 88% positive from 136 reviews.",
            "stated_as": "Aggregated sentiment is 88% positive from 136 reviews.",
            "source_type": "review",
            "source_url": "https://www.redditrecs.com/baby-stroller/model/cybex-gazelle-s2/",
            "source_read_at": "2026-10-09T15:14:58.414Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9574995099879",
      "name": "Bugaboo Donkey 6",
      "url": "/products/ucp/albeebaby-com/9574995099879",
      "why": "A synthesis of six sources (four full tests) gives an average professional score of 83/100, with strengths listed as a very smooth ride even in duo, the 15 kg basket and side bag, and single-to-double conversion in under a minute without tools.",
      "cells": [
        {
          "column": "Conversion",
          "fact": {
            "field": "summary of tests",
            "value": "A synthesis of six sources (four full tests) gives an average professional score of 83/100, with strengths listed as a very smooth ride even in duo, the 15 kg basket and side bag, and single-to-double conversion in under a minute without tools.",
            "stated_as": "A synthesis of six sources (four full tests) gives an average professional score of 83/100, with strengths listed as a very smooth ride even in duo, the 15 kg basket and side bag, and single-to-double conversion in under a minute without tools.",
            "source_type": "review",
            "source_url": "https://www.troviio.com/produit/bugaboo-donkey-6",
            "source_read_at": "2026-10-09T00:30:43.951Z"
          }
        },
        {
          "column": "Size",
          "fact": {
            "field": "width",
            "value": "The 29.1 inch double width is said to clear a standard 30 inch interior doorway, which is the entire design goal of the model, and buyers are told to measure their narrowest doorway.",
            "stated_as": "The 29.1 inch double width is said to clear a standard 30 inch interior doorway, which is the entire design goal of the model, and buyers are told to measure their narrowest doorway.",
            "source_type": "review",
            "source_url": "https://parentcalc.com/reviews/bugaboo-donkey-6-review",
            "source_read_at": "2026-10-09T00:30:39.223Z"
          }
        },
        {
          "column": "Owner sentiment",
          "fact": {
            "field": "sentiment",
            "value": "Aggregated owner sentiment is 72% positive across 259 reviews.",
            "stated_as": "Aggregated owner sentiment is 72% positive across 259 reviews.",
            "source_type": "review",
            "source_url": "https://redditrecs.com/baby-stroller/model/bugaboo-donkey-6/",
            "source_read_at": "2026-10-09T00:30:37.935Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9681344561383",
      "name": "Cybex e-Gazelle S",
      "url": "/products/ucp/albeebaby-com/9681344561383",
      "why": "The e-Gazelle S is from birth to about 4 years, max 22 kg in single mode and 2 x 22 kg in duo mode.",
      "cells": [
        {
          "column": "Conversion",
          "fact": {
            "field": "Age and weight limits",
            "value": "The e-Gazelle S is from birth to about 4 years, max 22 kg in single mode and 2 x 22 kg in duo mode.",
            "stated_as": "Age range: From birth up to approx. 4 years\nChild weight (in single mode): Max. 22 kg\nChild weight (in duo mode): Max. 2 x 22 kg",
            "source_type": "guide",
            "source_url": "https://www.cybex-online.com/en/gb/p/10106194.html",
            "source_read_at": "2026-10-09T15:04:33.044Z"
          }
        },
        {
          "column": "Size",
          "fact": {
            "field": "Dimensions and weight",
            "value": "The stroller measures 945–1075 mm long, 660 mm wide, 1000–1100 mm high and weighs 14.7 kg.",
            "stated_as": "Length\n945 - 1075 mm\nWidth\n660 mm\nHeight\n1000 - 1100 mm\nWeight\n14.7 kg",
            "source_type": "guide",
            "source_url": "https://www.cybex-online.com/en/gb/p/10106194.html",
            "source_read_at": "2026-10-09T15:04:33.044Z"
          }
        },
        {
          "column": "Owner sentiment",
          "fact": {
            "field": "Owner sentiment",
            "value": "The model has an 87% positive sentiment score across 137 reviews.",
            "stated_as": "The model has an 87% positive sentiment score across 137 reviews.",
            "source_type": "review",
            "source_url": "https://redditrecs.com/baby-stroller/model/cybex-e-gazelle-s/",
            "source_read_at": "2026-10-09T15:04:53.420Z"
          }
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9566536663271",
      "name": "Thule Sleek 2",
      "url": "/products/ucp/albeebaby-com/9566536663271",
      "why": "The maker describes it as a convertible stroller designed to grow with the family, configurable for one or two children.",
      "cells": [
        {
          "column": "Conversion",
          "fact": {
            "field": "Convertible stroller",
            "value": "The maker describes it as a convertible stroller designed to grow with the family, configurable for one or two children.",
            "stated_as": "A convertible stroller designed to grow with your family",
            "source_type": "guide",
            "source_url": "https://www.thule.com/en-us/strollers/full-size-strollers/thule-sleek-2-_-11000037",
            "source_read_at": "2026-10-11T06:55:43.536Z"
          }
        },
        {
          "column": "Size",
          "fact": null
        },
        {
          "column": "Owner sentiment",
          "fact": null
        }
      ]
    }
  ]
}