# Thule Sleek Car Seat Adapter Sleek \| Maxi Cosi / Nuna / Cybex \| 2 sellers, live prices, prepared checkout ## Built for shopping agents: what RoboTrunk does for every product We asked shopping agents, including Meta's Muse first-hand, what they need from a store. This is what they asked for, and what we have built. RoboTrunk is working through its catalogue, so a step may not be done for this one yet. Where a step is done per product, the line ends with what is done for this product. - **Deep research:** We read the maker's manual, independent reviews, video review transcripts and the store's own page, and publish each finding with its source and the date read. `check_product` returns them with a source for each. *This product:* 23 checked facts, research depth trimmed read, checked 2026-10-20T18:31:55.480Z, in the [evidence pack](/agent/evidence/megababiesusa-com--thule-sleek-car-seat-adapter-sleek-maxi-cosi). - **Receipts:** Every published fact has a receipt showing its source quote. `check_product` and `get_product` return the checked facts that have one. *This product:* each checked fact listed below has one; the source quotes are in the [evidence pack](/agent/evidence/megababiesusa-com--thule-sleek-car-seat-adapter-sleek-maxi-cosi). - **Safety:** `check_product` asks the product-safety regulators live (US CPSC, NHTSA and FDA, Health Canada, the UK's OPSS, Australia's ACCC) whether a recall names a product, listed here or not, and flags a match with its notice; a recall never blocks the buyer. *This product:* this page holds no recall result for it yet; `check_product` asks the regulators now. - **Recall watch:** `watch_recalls` tells the buyer if a product bought here is recalled later. - **Second-hand listings:** `check_listing` runs the same recall check on a second-hand listing someone found, and adds what the listing leaves out and the price new. - **The real price:** The full price to the buyer's country, with shipping and tax, each part quoted from the store's policy or, where a part is not settled, what the total depends on: `check_product` and `search_catalog` take the buyer's country and postcode. *This product:* this store's price was read from its catalogue at 2026-10-24T19:31:58.346Z. - **A checkout that finishes:** RoboTrunk lists only stores whose agent checkout it has verified. `create_checkout` prepares the order at the store; `complete_checkout` returns a link to the store's own checkout. The checkout can be finished in either of two ways: the person taps the link in their own browser, or their agent opens it and completes the checkout. RoboTrunk checks the store's total against a budget ceiling before it issues the link. Payment always happens on the store's own page, and RoboTrunk never holds the money. No store pays for placement; RoboTrunk may earn a commission from some stores via their affiliate programs. - **Markdown copy:** Every page has a Markdown copy: [this page's copy](https://robotrunk.com/products/ucp/megababiesusa-com/8081136517374.md). - **Photos and ratings:** Search results carry the product photo and, where the store's own page publishes one, its rating (`search_catalog`). - **Fit answers:** `check_fit` answers whether a listing fits a car, pram or bottle, with the exact quote from the store's page, or says it is not known. - **Back-in-stock watches:** `watch_back_in_stock` starts a watch on a listing the store shows as sold out; `get_back_in_stock_watch` shows when it is back in stock. - **Maker's manual:** `ask_product_manual` answers from the maker's manual with the exact passage and page, or says the manual does not cover it. - **Tools and guide:** Every tool and its description is at https://robotrunk.com/mcp; the guide is at [/agents\.md](/agents.md). - **Research from other stores:** Coming soon: reading other stores' listings of the same product as new research sources. Sold and shipped by megababiesusa\.com, megababiesusa.com; payment happens on the store's own checkout. Brand: Thule ## Variants - Default Title: USD 64.95; in stock. Variant id: `gid://shopify/ProductVariant/45701173575934` - Seller: megababiesusa\.com. Price: USD 64\.95. Stock: in stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/45701173575934`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/thule-sleek-car-seat-adapter-sleek-maxi-cosi). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F8081136517374&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F45701173575934). - Seller: babygoroundinc\.com. Price: USD 64\.95. Stock: in stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/46758175605055`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://baby-go-round-inc.myshopify.com/products/thule-sleek-car-seat-adapter-sleek-maxi-cosi-1). [Get ready to buy from babygoroundinc\.com: prepare checkout](/checkout-prepare?merchant=babygoroundinc-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F8810459398463&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F46758175605055). ## Checked facts Each fact below was checked against the source it cites before it was published. Each carries that source's link and the time RoboTrunk read it. 23 checked facts, checked 2026-10-20T18:31:55.480Z. Research depth: trimmed read. Deep read: the store's own data and 6 outside pages \(the store's own product page; maker page; spec sheet; manual; regulator recall search \(CPSC \(United States\)\); regulator recall search \(Health Canada\)\), each read in full by RoboTrunk and trimmed to its main content, then written up and checked\. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read\. Recall status was checked directly with CPSC \(United States\), Health Canada: Health Canada record NID 63246 is titled 'Thule Sleek Car Seat Adapter recalled due to Fall Hazard' \(last updated 2020\-03\-19\), so a recall applies to the Thule Sleek Car Seat Adapter; the provided text does not name model 11000300\. The CPSC search returned only an unrelated Chariot bicycle\-trailer recall\. - store listing: Store data describes it as compatible with Thule Sleek and says it clicks in and out\.. Source: (listing), read 2026-10-19T19:20:38.895Z. - SKU: Store page lists SKU 11000300\.. Source: (guide), read 2026-10-20T18:28:21.011Z. - model number: Maker model number is 11000300\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - compatibility chart: The spec sheet compatibility chart lists BeSafe iZi GO Modular\.. Source: (manual), read 2026-10-20T18:28:23.382Z. - warning: Never leave the child unattended\.. Source: (manual), read 2026-10-20T18:28:24.622Z. - GTIN: Store structured data lists barcode/GTIN 091021556164\.. Source: (guide), read 2026-10-20T18:28:21.011Z. - color: The adapter is black\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - compatibility chart: The spec sheet compatibility chart lists Nuna Pipa Lite RX\.. Source: (manual), read 2026-10-20T18:28:23.382Z. - warning: The manual says attachment devices must be correctly engaged before use\.. Source: (manual), read 2026-10-20T18:28:24.622Z. - weight: The adapter weighs 0\.3 kg\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - compatibility chart: The spec sheet compatibility chart lists Maxi\-Cosi Mico Max 30\.. Source: (manual), read 2026-10-20T18:28:23.382Z. - warning: Do not use the adapter to lift the stroller\.. Source: (manual), read 2026-10-20T18:28:24.622Z. - dimensions: Dimensions are 10\.5 x 7\.8 x 21\.3 cm \(LxWxH\)\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - compatibility chart: The spec sheet compatibility chart lists Cybex Aton Q\.. Source: (manual), read 2026-10-20T18:28:23.382Z. - care: Clean only with mild soap and water\.. Source: (manual), read 2026-10-20T18:28:24.622Z. - country of origin: Country of origin is China\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - warning: Do not connect or use a broken car seat on the adapter\.. Source: (manual), read 2026-10-20T18:28:24.622Z. - stroller compatibility: Maker lists compatibility with Thule Sleek and Thule Sleek 2 strollers\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - approved use: Only use with approved strollers and car seats\.. Source: (manual), read 2026-10-20T18:28:24.622Z. - installation: Installation and removal are easy click\-in\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - weight marking: The manual page 2 shows a 'Max 9 kg / 20 lbs' marking\.. Source: (manual), read 2026-10-20T18:28:24.622Z. - car seat compatibility: Maker says it is compatible with popular infant car seats from Maxi\-Cosi, BeSafe, Cybex and Nuna\.. Source: (guide), read 2026-10-20T18:28:22.410Z. - second car seat: A Thule Sleek Adapter Kit is needed to mount a second car seat\.. Source: (guide), read 2026-10-20T18:28:22.410Z. The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/megababiesusa-com--thule-sleek-car-seat-adapter-sleek-maxi-cosi) ## Questions we researched but could not confirm Every fact above is cited. To find them we read the store listing, the maker's page, the spec sheet, the manual and the recall records of CPSC \(United States\) and Health Canada and searched for regulator recall notices, owner reviews, blogs, owner forums and video reviews. We also chased the questions below across those sources and found no reliable answer, so you know exactly where the evidence ends and never have to guess. - What does the adapter feel like to the touch? - Is the adapter thin or thick? - What material is the adapter made of? - Is the black finish painted or molded, and can it rub off? - Does the adapter add noticeable length or bulk to the stroller? - Will the adapter rub or mark the stroller frame? - Are any tools needed to attach or remove the adapter? - How long does installation take? - What tends to break or wear out on the adapter? - Does it fit car\-seat model years not listed in the compatibility chart? - What exactly is included in the box? - What is the warranty? - What are the child age, weight and height limits? - Does the adapter meet any safety standard or certification? - Can the adapter stay on the stroller when it is folded? - How much side\-to\-side play is there once clicked in? - What does the 9 kg / 20 lbs marking in the manual limit? To buy this through RoboTrunk, pass merchant `megababiesusa-com`, product_id `gid://shopify/Product/8081136517374` and one variant_id from the list above. Product image of Thule Sleek Car Seat Adapter Sleek \| Maxi Cosi / Nuna / Cybex, supplied by megababiesusa\.com: This product on megababiesusa.com: Retrieved 2026-10-24T19:31:58.346Z from 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. 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