{
  "schema_version": "compare-page.v2",
  "page_id": "travel-systems-whose-infant-car-seat-installs-without-a-sepa",
  "url": "https://robotrunk.com/compare/want/travel-systems-whose-infant-car-seat-installs-without-a-sepa",
  "title": "Travel systems whose infant car seat installs without a separate base",
  "question": "Which travel systems let the infant car seat be installed without a separate base?",
  "answer": "Nuna TRIV next + PIPA urbn Travel System: The writer chose this system because the baseless car seat suits lots of Uber and car switching, and liked that it is only 7 lb, having no wish to pay for adapters or extra bases.\nBritax Phases Travel System with Arbor Infant Car Seat + StayTight Base: Britax publishes Phases installation videos for vehicle seat belt, lower connectors, and installation without the base.\nBritax Willow Brook S+ Travel System with Alpine Base: The reviewer installed the car seat both with the base and with the seat belt alone and valued having the belt-only option.",
  "kind": "travel system",
  "market": "US",
  "generated_at": "2026-10-21T00:34:32.768Z",
  "columns": [
    "Car seat weight",
    "Installation",
    "Adapters"
  ],
  "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": "p5.f6",
      "product": "Nuna TRIV next + PIPA urbn Travel System",
      "field": "Why chosen",
      "value": "The writer chose this system because the baseless car seat suits lots of Uber and car switching, and liked that it is only 7 lb, having no wish to pay for adapters or extra bases.",
      "stated_as": "The writer chose this system because the baseless car seat suits lots of Uber and car switching, and liked that it is only 7 lb, having no wish to pay for adapters or extra bases.",
      "source_type": "blog",
      "source_url": "https://www.thequalityedit.com/articles/nuna-travel-system-review",
      "source_read_at": "2026-10-10T12:46:22.470Z"
    },
    {
      "ref": "p5.f11",
      "product": "Nuna TRIV next + PIPA urbn Travel System",
      "field": "Car seat install",
      "value": "Installation uses yellow anchor guides fitted onto the car's lower anchor bars, with an indicator that shows green when the seat is latched and red when it is not.",
      "stated_as": "Installation uses yellow anchor guides fitted onto the car's lower anchor bars, with an indicator that shows green when the seat is latched and red when it is not.",
      "source_type": "review",
      "source_url": "https://www.youtube.com/watch?v=pQDJ8fKw47w",
      "source_read_at": "2026-10-10T12:49:27.616Z"
    },
    {
      "ref": "p5.f12",
      "product": "Nuna TRIV next + PIPA urbn Travel System",
      "field": "Car seat weight with canopy",
      "value": "The car seat weighs 7 lbs without the canopy and inserts, which add about 2 lb.",
      "stated_as": "Weight: 7 lbs without canopy and inserts (canopy and insert approx. 2 lb)",
      "source_type": "guide",
      "source_url": "https://nunababy.com/usa/strollers/newborn-strollers-bassinets/pipa-urbn-triv-next-travel-system",
      "source_read_at": "2026-10-10T12:46:15.062Z"
    },
    {
      "ref": "p7.f4",
      "product": "Britax Willow Brook S+ Travel System with Alpine Base",
      "field": "installation",
      "value": "The reviewer installed the car seat both with the base and with the seat belt alone and valued having the belt-only option.",
      "stated_as": "The reviewer installed the car seat both with the base and with the seat belt alone and valued having the belt-only option.",
      "source_type": "review",
      "source_url": "https://www.youtube.com/watch?v=cJA2Sz8p3sc",
      "source_read_at": "2026-10-13T01:24:55.418Z"
    },
    {
      "ref": "p9.f5",
      "product": "Britax Phases Travel System with Arbor Infant Car Seat + StayTight Base",
      "field": "installation videos",
      "value": "Britax publishes Phases installation videos for vehicle seat belt, lower connectors, and installation without the base.",
      "stated_as": "Video - How to Install using Vehicle Seat Belt\nVideo - How to Install using Lower Connectors\nVideo - How to Install without a Base",
      "source_type": "manual",
      "source_url": "https://www.britax.ca/user-guides-installation-videos",
      "source_read_at": "2026-10-17T22:54:17.045Z"
    },
    {
      "ref": "p9.f11",
      "product": "Britax Phases Travel System with Arbor Infant Car Seat + StayTight Base",
      "field": "adapters",
      "value": "No adapters are needed to move the Arbor seat between the Phases stroller and StayTight base.",
      "stated_as": "Effortlessly transition from car rides to strolls. No adapters needed!",
      "source_type": "guide",
      "source_url": "https://us.britax.com/shop/travel-systems/phases-travel-system",
      "source_read_at": "2026-10-17T22:54:13.429Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9514740056295",
      "name": "Nuna TRIV next + PIPA urbn Travel System",
      "url": "/products/ucp/albeebaby-com/9514740056295",
      "why": "The writer chose this system because the baseless car seat suits lots of Uber and car switching, and liked that it is only 7 lb, having no wish to pay for adapters or extra bases.",
      "cells": [
        {
          "column": "Car seat weight",
          "fact": {
            "field": "Car seat weight with canopy",
            "value": "The car seat weighs 7 lbs without the canopy and inserts, which add about 2 lb.",
            "stated_as": "Weight: 7 lbs without canopy and inserts (canopy and insert approx. 2 lb)",
            "source_type": "guide",
            "source_url": "https://nunababy.com/usa/strollers/newborn-strollers-bassinets/pipa-urbn-triv-next-travel-system",
            "source_read_at": "2026-10-10T12:46:15.062Z"
          }
        },
        {
          "column": "Installation",
          "fact": {
            "field": "Car seat install",
            "value": "Installation uses yellow anchor guides fitted onto the car's lower anchor bars, with an indicator that shows green when the seat is latched and red when it is not.",
            "stated_as": "Installation uses yellow anchor guides fitted onto the car's lower anchor bars, with an indicator that shows green when the seat is latched and red when it is not.",
            "source_type": "review",
            "source_url": "https://www.youtube.com/watch?v=pQDJ8fKw47w",
            "source_read_at": "2026-10-10T12:49:27.616Z"
          }
        },
        {
          "column": "Adapters",
          "fact": null
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/9159430996222",
      "name": "Britax Phases Travel System with Arbor Infant Car Seat + StayTight Base",
      "url": "/products/ucp/megababiesusa-com/9159430996222",
      "why": "Britax publishes Phases installation videos for vehicle seat belt, lower connectors, and installation without the base.",
      "cells": [
        {
          "column": "Car seat weight",
          "fact": null
        },
        {
          "column": "Installation",
          "fact": {
            "field": "installation videos",
            "value": "Britax publishes Phases installation videos for vehicle seat belt, lower connectors, and installation without the base.",
            "stated_as": "Video - How to Install using Vehicle Seat Belt\nVideo - How to Install using Lower Connectors\nVideo - How to Install without a Base",
            "source_type": "manual",
            "source_url": "https://www.britax.ca/user-guides-installation-videos",
            "source_read_at": "2026-10-17T22:54:17.045Z"
          }
        },
        {
          "column": "Adapters",
          "fact": {
            "field": "adapters",
            "value": "No adapters are needed to move the Arbor seat between the Phases stroller and StayTight base.",
            "stated_as": "Effortlessly transition from car rides to strolls. No adapters needed!",
            "source_type": "guide",
            "source_url": "https://us.britax.com/shop/travel-systems/phases-travel-system",
            "source_read_at": "2026-10-17T22:54:13.429Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8008236040266",
      "name": "Britax Willow Brook S+ Travel System with Alpine Base",
      "url": "/products/ucp/strolleria-com/8008236040266",
      "why": "The reviewer installed the car seat both with the base and with the seat belt alone and valued having the belt-only option.",
      "cells": [
        {
          "column": "Car seat weight",
          "fact": null
        },
        {
          "column": "Installation",
          "fact": {
            "field": "installation",
            "value": "The reviewer installed the car seat both with the base and with the seat belt alone and valued having the belt-only option.",
            "stated_as": "The reviewer installed the car seat both with the base and with the seat belt alone and valued having the belt-only option.",
            "source_type": "review",
            "source_url": "https://www.youtube.com/watch?v=cJA2Sz8p3sc",
            "source_read_at": "2026-10-13T01:24:55.418Z"
          }
        },
        {
          "column": "Adapters",
          "fact": null
        }
      ]
    }
  ]
}