# Installing an infant car seat without its base Can an infant car seat be installed without its base? PEG Perego YPSI Stroller \(2025 Model\) \+ Primo Viaggio Nido Travel System: The Primo Viaggio Lounge or Nido car seat docks directly onto the chassis with the one\-time Primo Viaggio Links, which are included with the YPSI stroller and do not need to be removed when the car seat is used on its base or with seat belts\. Nuna DEMI icon Stroller \+ PIPA aire RX Infant Car Seat Travel System: no checked fact says whether the PIPA aire RX can be installed without its base; the box includes the base: The travel system box includes the DEMI icon stroller, a ring adapter for Nuna infant car seats, the PIPA aire RX infant car seat, and the RELX base\. ### 1. [PEG Perego YPSI Stroller \(2025 Model\) \+ Primo Viaggio Nido Travel System](/products/ucp/albeebaby-com/9722091831527) (sold by albeebaby\.com) The Primo Viaggio Lounge or Nido car seat docks directly onto the chassis with the one\-time Primo Viaggio Links, which are included with the YPSI stroller and do not need to be removed when the car seat is used on its base or with seat belts\. - Base use: The Primo Viaggio Lounge or Nido car seat docks directly onto the chassis with the one\-time Primo Viaggio Links, which are included with the YPSI stroller and do not need to be removed when the car seat is used on its base or with seat belts\. (guide) - Seat belt use: The Primo Viaggio Lounge or Nido car seat docks directly onto the chassis with the one\-time Primo Viaggio Links, which are included with the YPSI stroller and do not need to be removed when the car seat is used on its base or with seat belts\. (guide) ### 2. [Nuna DEMI icon Stroller \+ PIPA aire RX Infant Car Seat Travel System](/products/ucp/albeebaby-com/9496870191335) (sold by albeebaby\.com) The travel system box includes the DEMI icon stroller, a ring adapter for Nuna infant car seats, the PIPA aire RX infant car seat, and the RELX base\. - Base use: The travel system box includes the DEMI icon stroller, a ring adapter for Nuna infant car seats, the PIPA aire RX infant car seat, and the RELX base\. (guide) - Seat belt use: - 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\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-18T15:24:22.933Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)