# Convertible car seats with an anti\-rebound bar Which convertible car seats include an anti\-rebound bar intended to limit rebound in a crash? Diono Radian 3QXT\+: The blog explains that the 3QXT\+ adds premium tailoring, a 2\-in\-1 anti\-rebound panel and an adjustable calf support over the standard 3QXT\. The anti\-rebound panel is said to cut rebound rotation by up to 50% when the seat is rear\-facing\. Clek Foonf: The steel anti\-rebound bar locked firmly and stayed rattle\-free over seven months, and the steel frame showed no flex or creak\. Maxi\-Cosi Pria All\-in\-One Convertible Car Seat: The anti\-rebound bar MUST be used in rear\-facing mode and must be removed for forward\-facing and booster modes\. In the outlet's commissioned crash tests the seat scored slightly below average: only a handful of seats recorded higher HIC head\-sensor forces, and its chest\-clip sensor force was about average\. Britax Poplar S ClickTight Convertible Car Seat: The video shows the S adding two extra removable comfort inserts and the ReboundReduce stability bar over the standard Poplar\. Independent crash\-test analysis of this seat returned average results, with a better chest\-clip sensor result than head sensor result; the test was run forward\-facing, so it did not include the anti\-rebound bar\. ### 1. [Diono Radian 3QXT\+ \(Radian 3QXT FirstClass SafePlus\), model 53000\-NA\-01 \(Black Jet\) / 53001\-NA\-01 \(Gray Slate\)](/products/ucp/megababiesusa-com/7476789215486) (sold by megababiesusa\.com) The anti\-rebound panel is said to cut rebound rotation by up to 50% when the seat is rear\-facing\. - Anti\-rebound bar: The anti\-rebound panel is said to cut rebound rotation by up to 50% when the seat is rear\-facing\. (blog) - Use limits: Rear\-facing it is rated for children from 4 to 50 lbs\. (listing) - Test results: NHTSA's Ease of Use Ratings list the Diono Radian 3QXT\+ \(model 53000\-NA\-01, made 2021\-08\-16\) with an overall 3 of 5 stars rear\-facing, 3 of 5 forward\-facing and 2 of 5 in booster mode; the ratings measure how easy the seat is to use, not crash performance, and are published in NHTSA's ratings data at https://api\.nhtsa\.gov/childSeats?dataSet=ratings\. (guide) ### 2. [Clek Foonf](/products/ucp/albeebaby-com/9501995139303) (sold by albeebaby\.com) The steel anti\-rebound bar locked firmly and stayed rattle\-free over seven months, and the steel frame showed no flex or creak\. - Anti\-rebound bar: The steel anti\-rebound bar locked firmly and stayed rattle\-free over seven months, and the steel frame showed no flex or creak\. (review) - Use limits: Foonf is a convertible car seat designed for rear\-facing and forward\-facing use\. (listing) - Test results: Scored below average in the outlet's crash test, with higher head\-sensor readings and about\-average chest readings; all tested seats still met federal rules\. (review) ### 3. [Maxi Cosi Pria™ All\-in\-One Convertible Car Seat](/products/ucp/strolleria-com/7974823690314) (sold by strolleria\.com) The anti\-rebound bar MUST be used in rear\-facing mode and must be removed for forward\-facing and booster modes\. - Anti\-rebound bar: The anti\-rebound bar MUST be used in rear\-facing mode and must be removed for forward\-facing and booster modes\. (manual) - Use limits: - - Test results: In the outlet's commissioned crash tests the seat scored slightly below average: only a handful of seats recorded higher HIC head\-sensor forces, and its chest\-clip sensor force was about average\. (review) ### 4. [Britax Poplar S ClickTight Convertible Car Seat](/products/ucp/albeebaby-com/9564453077223) (sold by albeebaby\.com) The video shows the S adding two extra removable comfort inserts and the ReboundReduce stability bar over the standard Poplar\. - Anti\-rebound bar: The video shows the S adding two extra removable comfort inserts and the ReboundReduce stability bar over the standard Poplar\. (review) - Use limits: The article notes it is a 2\-in\-1 convertible, not an all\-in\-one, so there is no booster mode and another seat will eventually be needed\. (blog) - Test results: Independent crash\-test analysis of this seat returned average results, with a better chest\-clip sensor result than head sensor result; the test was run forward\-facing, so it did not include the anti\-rebound bar\. (review) ## Also cited in the text - Diono Radian 3QXT\+ \(Radian 3QXT FirstClass SafePlus\), model 53000\-NA\-01 \(Black Jet\) / 53001\-NA\-01 \(Gray Slate\), trim differences: The blog explains that the 3QXT\+ adds premium tailoring, a 2\-in\-1 anti\-rebound panel and an adjustable calf support over the standard 3QXT\. (blog) 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 2026-10-23T23:54:57.812Z. 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. 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