# Bugaboo Round White Knob Repair Set for Seat Frame \| 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:* 19 checked facts, research depth trimmed read, checked 2026-10-26T11:33:55.261Z, in the [evidence pack](/agent/evidence/megababiesusa-com--bugaboo-repair-set-round-white-knob-seat-frame). - **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--bugaboo-repair-set-round-white-knob-seat-frame). - **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 2026-10-25T19:45:44.134Z. - **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/6689702740121.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: Bugaboo ## Variants - Default Title: USD 20.95; out of stock. Variant id: `gid://shopify/ProductVariant/39788683821209` - Seller: megababiesusa\.com. Price: USD 20\.95. Stock: out of stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/39788683821209`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://top-stroll.myshopify.com/products/bugaboo-repair-set-round-white-knob-seat-frame). [Get ready to buy from megababiesusa\.com: prepare checkout](/checkout-prepare?merchant=megababiesusa-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F6689702740121&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F39788683821209). ## 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. 19 checked facts, checked 2026-10-26T11:33:55.261Z. Research depth: trimmed read. Deep read: the store's own data and 6 outside pages \(the store's own product page; maker page; forum; 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 three Bugaboo stroller recalls \(Cameleon3 carry handle, Cameleon/Donkey carry handle, and Bee brakes\), and Health Canada records list several Bugaboo recalls, but none names this repair set or part 190114SF04\. - what it is: The set is a repair kit for the round white knob on the seat frame of Bugaboo Cameleon, Frog and Gecko strollers\.. Source: (guide), read 2026-10-26T11:20:23.333Z. - compatibility: Bugaboo's own description says the repair set fits Cameleon 3, Cameleon, Frog and Gecko\.. Source: (guide), read 2026-10-26T11:20:41.312Z. - warranty: Bugaboo's product page states a 2\-year warranty\.. Source: (guide), read 2026-10-26T11:20:48.221Z. - seat locking failure: Owners of older Cameleon strollers report the two white circular buttons on the seat frame can stick and fail to click back out, so the seat does not lock into place\.. Source: (review), read 2026-10-26T11:20:50.091Z. - included: Instructions are included in the set\.. Source: (guide), read 2026-10-26T11:20:23.333Z. - compatibility list: Bugaboo's compatible\-products list names Cameleon \(2007 model\), Cameleon 3, Cameleon 3 plus and Frog, but not Gecko\.. Source: (guide), read 2026-10-26T11:20:41.312Z. - replacement parts outcome: One owner contacted Bugaboo with the stroller serial number and received replacement parts with instructions, which resolved the locking problem\.. Source: (review), read 2026-10-26T11:20:50.091Z. - compatibility: The store lists compatibility with Cameleon, Cameleon 3, Cameleon 3 plus, Frog and Gecko\.. Source: (guide), read 2026-10-26T11:20:23.333Z. - part number: The maker identifies this repair set by MPN 190114SF04\.. Source: (guide), read 2026-10-26T11:20:41.312Z. - retailer replacement: Another owner obtained new buttons through a retailer, found them easy to fit, and reported the pram worked perfectly afterwards\.. Source: (review), read 2026-10-26T11:20:50.091Z. - GTIN: The store's structured data gives GTIN 8717447019039\.. Source: (guide), read 2026-10-26T11:20:23.333Z. - product group: Bugaboo groups the part under product group MI000198\.. Source: (guide), read 2026-10-26T11:20:41.312Z. - warranty experience: Warranty outcomes varied: one owner of a three\-year\-old stroller got replacement parts, while another with a three\-and\-a\-half\-year\-old stroller was told it was out of warranty and struggled to find spare parts\.. Source: (review), read 2026-10-26T11:20:50.091Z. - category: The store categorises it as Baby Transport Replacement Parts\.. Source: (guide), read 2026-10-26T11:20:23.333Z. - colour: Bugaboo's structured data lists the variant colour as black, although the product name calls the knob white\.. Source: (guide), read 2026-10-26T11:20:41.312Z. - cause of sticking: Owners suggest the white button disc can swell or flatten over time, making it bind in the housing and stop latching\.. Source: (review), read 2026-10-26T11:20:50.091Z. - SKU: The store SKU is 190114SF04\.. Source: (guide), read 2026-10-26T11:20:23.333Z. - maker part name: Bugaboo's structured data names the part Repairset seatframe\(Round knob\) F/G/C\.. Source: (guide), read 2026-10-26T11:20:41.312Z. - DIY fix: A detailed owner fix involves unscrewing one side at a time, releasing three clips with a flathead screwdriver, sanding 1–2 mm from the white disc, smoothing it, and reassembling; several users later confirmed this worked\.. Source: (review), read 2026-10-26T11:20:50.091Z. The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/megababiesusa-com--bugaboo-repair-set-round-white-knob-seat-frame) ## Questions we researched but could not confirm Every fact above is cited. To find them we read the store listing, the maker's page, owner forums and the recall records of CPSC \(United States\) and Health Canada and searched for the manual, regulator recall notices, owner reviews, blogs 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 are the repair set's dimensions and weight? - What material is the knob made from? - How thick is the knob or disc? - What colour is the replacement knob in the pack? - Does the black finish match older Cameleon frames? - How long does installation take? - What tools are needed to fit it? - Does the set include both left and right knobs? - How do I know whether I need this repair set? - How durable is the replacement knob? - Will the new knob stick again over time? - What care or cleaning is recommended? - Are there any warnings or age limits? - Does it fit every Cameleon 3 plus production year? - Does Bugaboo recommend this part for Gecko? To buy this through RoboTrunk, pass merchant `megababiesusa-com`, product_id `gid://shopify/Product/6689702740121` and one variant_id from the list above. Product image of Bugaboo Round White Knob Repair Set for Seat Frame, supplied by megababiesusa\.com: This product on megababiesusa.com: Retrieved 2026-10-25T19:45:44.134Z 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. 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