{
  "schema_version": "compare-page.v2",
  "page_id": "car-seat-adapters-for-double-strollers",
  "url": "https://robotrunk.com/compare/want/car-seat-adapters-for-double-strollers",
  "title": "Car seat adapters for double strollers",
  "question": "Which car seat adapters allow car seats for more than one child to be used on a double stroller?",
  "answer": "Mountain Buggy Nano Duo Twin Car Seat Adaptor: The adaptor takes two car seats at once, one on each side. joovy Twin Roo+ Maxi Cosi/Cybex Carseat Adapter: Users say the kit includes adapters for two car seats at once. Baby Monsters Car Seat Adapter: Both the Right-Upper and Lower-Left adapters are required to fit two car seats on the chassis. Valco Baby Car Seat Adapter for Maxi Cosi: The Twin Adapter Kit contains one Maxi-Cosi/Nuna/Cybex adapter and one Universal adapter; a twin setup needs one of each because two identical adapters will not work.",
  "kind": "car seat adapter",
  "market": "US",
  "generated_at": "2026-10-29T21:13:25.030Z",
  "columns": [
    "Two-seat setup",
    "Car seat brands",
    "Stroller"
  ],
  "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": "joovy Twin Roo+ Maxi Cosi/Cybex Carseat Adapter",
      "field": "what it is",
      "value": "Joovy lists this as a TwinRoo+ adapter fitting Maxi Cosi and Cybex seats; this disagrees with the review's claim that it accepts only Maxi-Cosi seats.",
      "stated_as": "This adapter fits the Maxi Cosi/Cybex carseats.",
      "source_type": "guide",
      "source_url": "https://m2uzjx-jt.myshopify.com/products/twin-roo-maxi-cosi-cybex-carseat-adapter",
      "source_read_at": "2026-10-12T19:14:27.842Z"
    },
    {
      "ref": "p1.f10",
      "product": "joovy Twin Roo+ Maxi Cosi/Cybex Carseat Adapter",
      "field": "dual seats",
      "value": "Users say the kit includes adapters for two car seats at once.",
      "stated_as": "Users say the kit includes adapters for two car seats at once.",
      "source_type": "review",
      "source_url": "https://carseatsadvice.com/product-reviews/car-seat-accessories/review-joovy-twin-roo-car-seat-adapter-for-maxi-cosi-max-capacity/",
      "source_read_at": "2026-10-12T19:15:05.126Z"
    },
    {
      "ref": "p3.f1",
      "product": "Mountain Buggy Nano Duo Twin Car Seat Adaptor",
      "field": "fitment - stroller",
      "value": "The adaptor is intended for use on the Mountain Buggy Nano Duo only.",
      "stated_as": "For use on the Mountain Buggy Nano Duo.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/mountain-buggy-nano-duo-twin-car-seat-adapter",
      "source_read_at": "2026-10-19T20:17:40.504Z"
    },
    {
      "ref": "p3.f4",
      "product": "Mountain Buggy Nano Duo Twin Car Seat Adaptor",
      "field": "capacity",
      "value": "The adaptor takes two car seats at once, one on each side.",
      "stated_as": "Accommodates 2 car seats.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/mountain-buggy-nano-duo-twin-car-seat-adapter",
      "source_read_at": "2026-10-19T20:17:40.504Z"
    },
    {
      "ref": "p3.f8",
      "product": "Mountain Buggy Nano Duo Twin Car Seat Adaptor",
      "field": "compatibility - car seats",
      "value": "Compatible car seats listed by the maker are Mountain Buggy protect, phil&teds alpha, Maxi-Cosi Cabriofix / Pebble Plus / Mico, Peg Perego Primo Viaggio 4-35 and Primo Viaggio 30/30, Cybex Aton / Aton 2 / Aton Q, Nuna Pipa, Graco Snugride 35 and Snugride Clickconnect 35, and Chicco Keyfit.",
      "stated_as": "Maxi-Cosi Cabriofix, Pebble Plus, Mico\nPeg Perego Primo Viaggio 4-35, Peg Perego Primo Viaggio 30/30\nCybex Aton, Aton 2, Aton Q\nNuna Pipa\nGraco Snugride 35, Snugride Clickconnect 35\nChicco Keyfit",
      "source_type": "guide",
      "source_url": "https://mountainbuggy.com/products/nano-duo-twin-car-seat-adaptor",
      "source_read_at": "2026-10-19T20:17:42.200Z"
    },
    {
      "ref": "p7.f5",
      "product": "Valco Baby Car Seat Adapter for Maxi Cosi",
      "field": "compatibility",
      "value": "Mega Babies lists compatibility with Maxi Cosi Mico, Nuna Pipa, Cybex Aton, Bugaboo TurtleOne by Nuna and Clek Liing; sources disagree on Clek Liing compatibility, as Little Canadian says the Trend Duo A9905 adapter will not work with it.",
      "stated_as": "Compatibility Maxi Cosi Mico Nuna Pipa Cybex Aton Bugaboo TurtleOne by Nuna Clek Liing",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-18T19:37:33.814Z"
    },
    {
      "ref": "p7.f9",
      "product": "Valco Baby Car Seat Adapter for Maxi Cosi",
      "field": "twin kit contents",
      "value": "The Twin Adapter Kit contains one Maxi-Cosi/Nuna/Cybex adapter and one Universal adapter; a twin setup needs one of each because two identical adapters will not work.",
      "stated_as": "Twin Adapter Kit – Includes one Maxi-Cosi/Nuna/Cybex adapter and one Universal adapter, allowing for dual car seat use. (For twin setups, one of each adapter and car seat type is needed, as two of the same won't work.)",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-18T19:37:33.814Z"
    },
    {
      "ref": "p7.f11",
      "product": "Valco Baby Car Seat Adapter for Maxi Cosi",
      "field": "variants",
      "value": "The store feed lists variants for Snap Ultra Trend, Snap 3 & 4 Trend, Snap Duo Trend (one car seat) and Snap Duo Trend Twin Kit (two car seats).",
      "stated_as": "Store feed text: Valco Baby Car Seat Adapter for Maxi Cosi — Valco Baby — Car Seat Adapter — Snap Ultra Trend — Snap 3 & 4 Trend — Snap Duo Trend (Accomodates 1 Car Seat) — Snap Duo Trend Twin Kit (Accommodates 2 Car Seats) — Car Seat Accessories, Car Seat Adapter, local, points-499, reg, SHIP-F15, valco-4trend, valco-accessories, valco-duotrend, valco-duox, valco-ultratrend",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-18T19:37:33.814Z"
    },
    {
      "ref": "p8.f1",
      "product": "Baby Monsters Car Seat Adapter",
      "field": "car seat compatibility",
      "value": "The adapter is only for Maxi Cosi and Cybex car seats.",
      "stated_as": "The Baby Monsters Car Seat Adapter is to be used for Maxi Cosi & Cybex car-seats only",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/baby-monsters-car-seat-adapter-includes-bmt6003",
      "source_read_at": "2026-10-17T15:06:59.344Z"
    },
    {
      "ref": "p8.f2",
      "product": "Baby Monsters Car Seat Adapter",
      "field": "two-seat setup",
      "value": "Both the Right-Upper and Lower-Left adapters are required to fit two car seats on the chassis.",
      "stated_as": "Both the Right‐Upper & the Lower-Left adaptors are required when fitting 2 Car-Seats onto the chassis.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/baby-monsters-car-seat-adapter-includes-bmt6003",
      "source_read_at": "2026-10-17T15:06:59.344Z"
    },
    {
      "ref": "p8.f5",
      "product": "Baby Monsters Car Seat Adapter",
      "field": "stroller compatibility",
      "value": "Fits Easy-Twin 2.0, 3.0 and 3.0S strollers.",
      "stated_as": "Fits the Easy-Twin 2.0/3.0/3.0S Strollers.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/baby-monsters-car-seat-adapter-includes-bmt6003",
      "source_read_at": "2026-10-17T15:06:59.344Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/7438517993726",
      "name": "Mountain Buggy Nano Duo Twin Car Seat Adaptor",
      "url": "/products/ucp/megababiesusa-com/7438517993726",
      "why": "The adaptor takes two car seats at once, one on each side.",
      "cells": [
        {
          "column": "Two-seat setup",
          "fact": {
            "field": "capacity",
            "value": "The adaptor takes two car seats at once, one on each side.",
            "stated_as": "Accommodates 2 car seats.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/mountain-buggy-nano-duo-twin-car-seat-adapter",
            "source_read_at": "2026-10-19T20:17:40.504Z"
          }
        },
        {
          "column": "Car seat brands",
          "fact": {
            "field": "compatibility - car seats",
            "value": "Compatible car seats listed by the maker are Mountain Buggy protect, phil&teds alpha, Maxi-Cosi Cabriofix / Pebble Plus / Mico, Peg Perego Primo Viaggio 4-35 and Primo Viaggio 30/30, Cybex Aton / Aton 2 / Aton Q, Nuna Pipa, Graco Snugride 35 and Snugride Clickconnect 35, and Chicco Keyfit.",
            "stated_as": "Maxi-Cosi Cabriofix, Pebble Plus, Mico\nPeg Perego Primo Viaggio 4-35, Peg Perego Primo Viaggio 30/30\nCybex Aton, Aton 2, Aton Q\nNuna Pipa\nGraco Snugride 35, Snugride Clickconnect 35\nChicco Keyfit",
            "source_type": "guide",
            "source_url": "https://mountainbuggy.com/products/nano-duo-twin-car-seat-adaptor",
            "source_read_at": "2026-10-19T20:17:42.200Z"
          }
        },
        {
          "column": "Stroller",
          "fact": {
            "field": "fitment - stroller",
            "value": "The adaptor is intended for use on the Mountain Buggy Nano Duo only.",
            "stated_as": "For use on the Mountain Buggy Nano Duo.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/mountain-buggy-nano-duo-twin-car-seat-adapter",
            "source_read_at": "2026-10-19T20:17:40.504Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "joovy-com",
        "display_name": "joovy.com"
      },
      "product_id": "gid://shopify/Product/8695988420836",
      "name": "joovy Twin Roo+ Maxi Cosi/Cybex Carseat Adapter",
      "url": "/products/ucp/joovy-com/8695988420836",
      "why": "Users say the kit includes adapters for two car seats at once.",
      "cells": [
        {
          "column": "Two-seat setup",
          "fact": {
            "field": "dual seats",
            "value": "Users say the kit includes adapters for two car seats at once.",
            "stated_as": "Users say the kit includes adapters for two car seats at once.",
            "source_type": "review",
            "source_url": "https://carseatsadvice.com/product-reviews/car-seat-accessories/review-joovy-twin-roo-car-seat-adapter-for-maxi-cosi-max-capacity/",
            "source_read_at": "2026-10-12T19:15:05.126Z"
          }
        },
        {
          "column": "Car seat brands",
          "fact": {
            "field": "what it is",
            "value": "Joovy lists this as a TwinRoo+ adapter fitting Maxi Cosi and Cybex seats; this disagrees with the review's claim that it accepts only Maxi-Cosi seats.",
            "stated_as": "This adapter fits the Maxi Cosi/Cybex carseats.",
            "source_type": "guide",
            "source_url": "https://m2uzjx-jt.myshopify.com/products/twin-roo-maxi-cosi-cybex-carseat-adapter",
            "source_read_at": "2026-10-12T19:14:27.842Z"
          }
        },
        {
          "column": "Stroller",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/856678629437",
      "name": "Baby Monsters Car Seat Adapter",
      "url": "/products/ucp/megababiesusa-com/856678629437",
      "why": "Both the Right-Upper and Lower-Left adapters are required to fit two car seats on the chassis.",
      "cells": [
        {
          "column": "Two-seat setup",
          "fact": {
            "field": "two-seat setup",
            "value": "Both the Right-Upper and Lower-Left adapters are required to fit two car seats on the chassis.",
            "stated_as": "Both the Right‐Upper & the Lower-Left adaptors are required when fitting 2 Car-Seats onto the chassis.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/baby-monsters-car-seat-adapter-includes-bmt6003",
            "source_read_at": "2026-10-17T15:06:59.344Z"
          }
        },
        {
          "column": "Car seat brands",
          "fact": {
            "field": "car seat compatibility",
            "value": "The adapter is only for Maxi Cosi and Cybex car seats.",
            "stated_as": "The Baby Monsters Car Seat Adapter is to be used for Maxi Cosi & Cybex car-seats only",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/baby-monsters-car-seat-adapter-includes-bmt6003",
            "source_read_at": "2026-10-17T15:06:59.344Z"
          }
        },
        {
          "column": "Stroller",
          "fact": {
            "field": "stroller compatibility",
            "value": "Fits Easy-Twin 2.0, 3.0 and 3.0S strollers.",
            "stated_as": "Fits the Easy-Twin 2.0/3.0/3.0S Strollers.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/baby-monsters-car-seat-adapter-includes-bmt6003",
            "source_read_at": "2026-10-17T15:06:59.344Z"
          }
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/793065881661",
      "name": "Valco Baby Car Seat Adapter for Maxi Cosi",
      "url": "/products/ucp/megababiesusa-com/793065881661",
      "why": "The Twin Adapter Kit contains one Maxi-Cosi/Nuna/Cybex adapter and one Universal adapter; a twin setup needs one of each because two identical adapters will not work.",
      "cells": [
        {
          "column": "Two-seat setup",
          "fact": {
            "field": "twin kit contents",
            "value": "The Twin Adapter Kit contains one Maxi-Cosi/Nuna/Cybex adapter and one Universal adapter; a twin setup needs one of each because two identical adapters will not work.",
            "stated_as": "Twin Adapter Kit – Includes one Maxi-Cosi/Nuna/Cybex adapter and one Universal adapter, allowing for dual car seat use. (For twin setups, one of each adapter and car seat type is needed, as two of the same won't work.)",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-18T19:37:33.814Z"
          }
        },
        {
          "column": "Car seat brands",
          "fact": {
            "field": "compatibility",
            "value": "Mega Babies lists compatibility with Maxi Cosi Mico, Nuna Pipa, Cybex Aton, Bugaboo TurtleOne by Nuna and Clek Liing; sources disagree on Clek Liing compatibility, as Little Canadian says the Trend Duo A9905 adapter will not work with it.",
            "stated_as": "Compatibility Maxi Cosi Mico Nuna Pipa Cybex Aton Bugaboo TurtleOne by Nuna Clek Liing",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-18T19:37:33.814Z"
          }
        },
        {
          "column": "Stroller",
          "fact": {
            "field": "variants",
            "value": "The store feed lists variants for Snap Ultra Trend, Snap 3 & 4 Trend, Snap Duo Trend (one car seat) and Snap Duo Trend Twin Kit (two car seats).",
            "stated_as": "Store feed text: Valco Baby Car Seat Adapter for Maxi Cosi — Valco Baby — Car Seat Adapter — Snap Ultra Trend — Snap 3 & 4 Trend — Snap Duo Trend (Accomodates 1 Car Seat) — Snap Duo Trend Twin Kit (Accommodates 2 Car Seats) — Car Seat Accessories, Car Seat Adapter, local, points-499, reg, SHIP-F15, valco-4trend, valco-accessories, valco-duotrend, valco-duox, valco-ultratrend",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-18T19:37:33.814Z"
          }
        }
      ]
    }
  ]
}
