# Convertible car seats with a support leg or stability bar Which convertible car seats include a support leg or a stability bar? babyark Classic Convertible Car Seat: Good for buyers who want added safety features: it has rigid lower anchors, a load leg and an anti\-rebound bar, and the reviewer says babyark is currently the only manufacturer with all three in a convertible seat\. The rigid no\-flex ANKR system uses the support leg, lower anchor connectors and anti\-rebound bar\. Britax Poplar S: In the United States the stability bar is optional, and it is included with the Poplar S\. Romer Veni Convertible Car Seat: Anti\-rebound bar, V\-shaped top tether and a steel frame\. ### 1. [babyark Classic Convertible Car Seat](/products/ucp/strolleria-com/7784070676554) (sold by strolleria\.com) Good for buyers who want added safety features: it has rigid lower anchors, a load leg and an anti\-rebound bar, and the reviewer says babyark is currently the only manufacturer with all three in a convertible seat\. - Support leg or stability bar: The rigid no\-flex ANKR system uses the support leg, lower anchor connectors and anti\-rebound bar\. (manual) - Forward\-facing limit: Rear\-facing weight range is 4\-50 lbs \(1\.8\-22\.7 kg\); forward\-facing is 26\.5\-65 lbs \(12\-29\.5 kg\)\. (guide) - Weight: The reviewer found the base and seat combined extremely heavy, around 45 lbs, and advises getting help if the buyer is pregnant, newly postpartum or otherwise unable to lift that much\. (review) ### 2. [Britax Poplar S](/products/ucp/anbbaby-com/9925193335070) (sold by anbbaby\.com) In the United States the stability bar is optional, and it is included with the Poplar S\. - Support leg or stability bar: In the United States the stability bar is optional, and it is included with the Poplar S\. (guide) - Forward\-facing limit: The seat accommodates children up to 50 lb rear\-facing and up to 65 lb forward\-facing\. (guide) - Weight: The Poplar S weighs 28 lb \(12\.70 kg\)\. (guide) ### 3. [Romer Veni Convertible Car Seat](/products/ucp/megababiesusa-com/8702984454398) (sold by megababiesusa\.com) Anti\-rebound bar, V\-shaped top tether and a steel frame\. - Support leg or stability bar: Anti\-rebound bar, V\-shaped top tether and a steel frame\. (listing) - Forward\-facing limit: Converts to a forward\-facing seat for children up to 65 lbs\. (listing) - Weight: - ## Also cited in the text - babyark Classic Convertible Car Seat, safety features: Good for buyers who want added safety features: it has rigid lower anchors, a load leg and an anti\-rebound bar, and the reviewer says babyark is currently the only manufacturer with all three in a convertible seat\. (review) 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 2026-10-15T03:38:45.625Z. 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) - [Every tool, in your browser through WebMCP](/agent) - [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)