# Cybex Platinum Mios 4 Complete Stroller \| live price, 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:* 30 checked facts, research depth trimmed read, checked 2026-10-18T18:31:55.143Z, in the [evidence pack](/agent/evidence/megababiesusa-com--cybex-platinum-mios-4-stroller). - **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--cybex-platinum-mios-4-stroller). - **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 2026-10-23T19:35:47.897Z. - **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/9199304638718.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: Cybex ## Variants - Matte Black Frame/ Coconut Brown Lux Seat: USD 899.95; in stock. Variant id: `gid://shopify/ProductVariant/48105530818814` - Seller: megababiesusa\.com. Price: USD 899\.95. Stock: in stock. Variant: Matte Black Frame/ Coconut Brown Lux Seat, variant id `gid://shopify/ProductVariant/48105530818814`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/cybex-platinum-mios-4-stroller). [Comparison page](/compare/want/lightweight-strollers-for-carrying-up-stairs). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9199304638718&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48105530818814). - Matte Black Frame/ Cozy Beige Lux Seat: USD 899.95; in stock. Variant id: `gid://shopify/ProductVariant/48105530851582` - Seller: megababiesusa\.com. Price: USD 899\.95. Stock: in stock. Variant: Matte Black Frame/ Cozy Beige Lux Seat, variant id `gid://shopify/ProductVariant/48105530851582`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/cybex-platinum-mios-4-stroller). [Comparison page](/compare/want/lightweight-strollers-for-carrying-up-stairs). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9199304638718&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48105530851582). - Matte Black Frame/ Sepia Black Lux Seat: USD 899.95; in stock. Variant id: `gid://shopify/ProductVariant/48105530884350` - Seller: megababiesusa\.com. Price: USD 899\.95. Stock: in stock. Variant: Matte Black Frame/ Sepia Black Lux Seat, variant id `gid://shopify/ProductVariant/48105530884350`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/cybex-platinum-mios-4-stroller). [Comparison page](/compare/want/lightweight-strollers-for-carrying-up-stairs). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9199304638718&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48105530884350). - Rose Gold Frame/ Sepia Black Lux Seat: USD 899.95; in stock. Variant id: `gid://shopify/ProductVariant/48105530917118` - Seller: megababiesusa\.com. Price: USD 899\.95. Stock: in stock. Variant: Rose Gold Frame/ Sepia Black Lux Seat, variant id `gid://shopify/ProductVariant/48105530917118`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/cybex-platinum-mios-4-stroller). [Comparison page](/compare/want/lightweight-strollers-for-carrying-up-stairs). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9199304638718&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48105530917118). ## 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. 30 checked facts, checked 2026-10-18T18:31:55.143Z. Research depth: trimmed read. Deep read: the store's own data and 4 outside pages \(the store's own product page; maker page; 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: The CPSC search returned eight Cybex records, all for Cybex fitness equipment such as treadmills, benches and leg presses, not strollers\. Health Canada returned four Cybex records: fitness equipment, archived 2\.Go infant carriers and archived umbrella strollers; none is the Mios 4\. Not read, because they are member\-only or refused RoboTrunk: Which? pushchair tests, CHOICE pram and stroller tests, Stiftung Warentest pram and buggy tests, JPMA certified products\. - product identity: The product is the Cybex Platinum Mios 4 Complete Stroller\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - category: The store's structured product data classifies the stroller as a Convertible Stroller\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - seat age and weight range: One listing states the stroller is suitable from 6 months to 55 lbs\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - overall design: The store presents the Mios 4 as an urban stroller combining style and functionality\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - compatible additions: It is listed as compatible with the Mios/Coya Fold Lux Carry Cot or any Cybex infant car seat\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - frame and maneuverability: The frame is described as slim and lightweight and intended to glide through crowded streets and tight spaces\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - colorway: One available colorway is Matte Black Frame / Coconut Brown Lux Seat\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - SKU: The Matte Black Frame / Coconut Brown Lux Seat variant carries SKU 526001515\.. Source: (listing), read 2026-10-17T19:35:52.669Z. - daily features: The stroller has a one\-hand fold, a one\-pull harness and an extendable UPF50\+ canopy\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - travel system: The stroller is travel\-system compatible, fully adjustable and described as having premium details\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - folding: The compact fold is intended for moving from streets to a taxi or home storage quickly\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - compatibility: It can switch between the included Lux Seat Unit, a MIOS/COYA Fold Lux Cot sold separately, or any CYBEX infant car seat sold separately\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - seat recline: The seat is described as near lie\-flat and ergonomic\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - backrest ventilation: The backrest uses breathable mesh fabric to keep air flowing\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - seasonal inlay: A versatile inlay can be added or removed to suit the season\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - harness: The one\-pull harness is designed to secure the child in seconds with one hand\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - reversible seat: The seat unit is reversible\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - leg rest: The leg rest is adjustable, fully integrated and extendable\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - canopy: The extra\-large extendible canopy is UPF50\+ and protects against sun, wind and rain\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - suspension: All\-wheel suspension is designed to aid maneuverability on tight, cobbled streets\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - one\-hand fold: The one\-hand fold is intended to keep the child close while leaving one hand free\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - handlebar: The handlebar adjusts to height with a quick one\-handed movement\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - shopping basket: The shopping basket is described as spacious, easily accessible and large\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - newborn readiness: Newborn use requires adding the compatible MIOS/COYA Fold Lux Carry Cot or a CYBEX infant car seat\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - warranty: The stroller is listed with a 2\-year warranty\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - open dimensions: The open stroller measures 36\.6 inches long, 19\.7 inches wide and 42\.3 inches high\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - folded dimensions: The stores disagree on folded dimensions: Mega Babies lists 16 inches long × 19\.7 inches wide × 30\.1 inches high, while Albee Baby lists 30\.1 inches long × 19\.7 inches wide × 16 inches high\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - weight: The stroller is listed at 21\.4 lbs\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - what is included: The box includes the MIOS stroller frame, Lux Seat Unit, basket, car\-seat adapters, rain cover, bumper bar and cup holder\.. Source: (guide), read 2026-10-18T18:12:46.627Z. - warranty process: The store says warranty claims must be filed directly with the manufacturer\.. Source: (guide), read 2026-10-18T18:12:46.627Z. The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/megababiesusa-com--cybex-platinum-mios-4-stroller) ## Questions we researched but could not confirm Every fact above is cited. To find them we read the store listing, the maker's page and the recall records of CPSC \(United States\) and Health Canada and searched for the manual, 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. - How do the Lux Seat fabrics feel to the touch? - Is the seat padding thick or thin? - Does the frame finish scratch or rub off over time? - Which exact Cybex infant car seat models fit the included adapters? - What tools are needed to assemble the stroller? - How long does assembly take? - What parts tend to wear or break first? - What safety standard or certification does the Mios 4 meet? - What are the washing and care instructions for the seat fabrics? - Does the folded stroller fit airline overhead bins? - What is the maximum child height for the seat? - Does the seat recline fully flat for a newborn? - How much does the stroller weigh without the seat unit? - Can the Mios 4 frame accept Mios 5 seat packs? - What is excluded from the 2\-year warranty? To buy this through RoboTrunk, pass merchant `megababiesusa-com`, product_id `gid://shopify/Product/9199304638718` and one variant_id from the list above. Product image of Cybex Platinum Mios 4 Complete Stroller, supplied by megababiesusa\.com: This product on megababiesusa.com: Retrieved 2026-10-23T19:35:47.897Z 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. 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)