# Cybex Zeno Thru Axle \| 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:* 14 checked facts, research depth trimmed read, checked 2026-09-25T01:24:55.529Z, in the [evidence pack](/agent/evidence/anbbaby-com--cybex-zeno-thru-axle-black). - **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/anbbaby-com--cybex-zeno-thru-axle-black). - **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 2026-10-20T19:35:42.521Z. - **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/anbbaby-com/6613060026454.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 research sources. Sold and shipped by anbbaby\.com, anbbaby.com; payment happens on the store's own checkout. Brand: Cybex ## Variants - 154\-172 \(M12 x 1\.0\): USD 41.97; out of stock. Variant id: `gid://shopify/ProductVariant/39494930694230` - Seller: anbbaby\.com. Price: USD 41\.97. Stock: out of stock. Variant: 154\-172 \(M12 x 1\.0\), variant id `gid://shopify/ProductVariant/39494930694230`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://anb-baby.myshopify.com/products/cybex-zeno-thru-axle-black). [Comparison page](/compare/want/measuring-a-bike-s-rear-axle-to-choose-a-matching-thru-axle). [Get ready to buy from anbbaby\.com: prepare checkout](/checkout-prepare?merchant=anbbaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F6613060026454&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F39494930694230). - 159\-178 \(M12 x 1\.5\): USD 41.97; out of stock. Variant id: `gid://shopify/ProductVariant/39494930726998` - Seller: anbbaby\.com. Price: USD 41\.97. Stock: out of stock. Variant: 159\-178 \(M12 x 1\.5\), variant id `gid://shopify/ProductVariant/39494930726998`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://anb-baby.myshopify.com/products/cybex-zeno-thru-axle-black). [Comparison page](/compare/want/measuring-a-bike-s-rear-axle-to-choose-a-matching-thru-axle). [Get ready to buy from anbbaby\.com: prepare checkout](/checkout-prepare?merchant=anbbaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F6613060026454&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F39494930726998). - Seller: bambibaby\.com. Price: USD 35\.97. Stock: out of stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/44833910194373`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://d45dd1-1c.myshopify.com/products/zeno-multisport-trailer-thru-axle-accessory-159-178mm-m12x1-5). [Comparison page](/compare/want/measuring-a-bike-s-rear-axle-to-choose-a-matching-thru-axle). [Get ready to buy from bambibaby\.com: prepare checkout](/checkout-prepare?merchant=bambibaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F8355338649797&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F44833910194373). - 174\-180 \(M12 x 1\.75\): USD 41.97; out of stock. Variant id: `gid://shopify/ProductVariant/39494930661462` - Seller: anbbaby\.com. Price: USD 41\.97. Stock: out of stock. Variant: 174\-180 \(M12 x 1\.75\), variant id `gid://shopify/ProductVariant/39494930661462`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://anb-baby.myshopify.com/products/cybex-zeno-thru-axle-black). [Comparison page](/compare/want/measuring-a-bike-s-rear-axle-to-choose-a-matching-thru-axle). [Get ready to buy from anbbaby\.com: prepare checkout](/checkout-prepare?merchant=anbbaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F6613060026454&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F39494930661462). - 171\-183 \(M12 x 1\.0\): USD 41.97; out of stock. Variant id: `gid://shopify/ProductVariant/39494930759766` - Seller: anbbaby\.com. Price: USD 41\.97. Stock: out of stock. Variant: 171\-183 \(M12 x 1\.0\), variant id `gid://shopify/ProductVariant/39494930759766`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://anb-baby.myshopify.com/products/cybex-zeno-thru-axle-black). [Comparison page](/compare/want/measuring-a-bike-s-rear-axle-to-choose-a-matching-thru-axle). [Get ready to buy from anbbaby\.com: prepare checkout](/checkout-prepare?merchant=anbbaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F6613060026454&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F39494930759766). ## 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. 14 checked facts, checked 2026-09-25T01:24:55.529Z. Research depth: trimmed read. Deep read: the store's own data and 8 outside pages \(the store's own product page; maker page; spec sheet; manual; review; regulator recall search \(CPSC \(United States\)\); regulator recall search \(Health Canada\); regulator recall search \(ACCC Product Safety Australia\)\), 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, ACCC Product Safety Australia: The supplied CPSC and Health Canada searches contain no recall for the CYBEX Zeno Thru Axle\. The supplied Australian feed also contains no CYBEX or Zeno Thru Axle entry, although it covers only the 100 most recent recalls\. - Retailer variants: The retailer lists 174–180 mm M12 x 1\.75, 154–172 mm M12 x 1\.0, 159–178 mm M12 x 1\.5 and 171–183 mm M12 x 1\.0; CYBEX’s guide instead lists 168–180 mm, 154–172 mm, 166–178 mm and 169–184 mm respectively, so the sources disagree on three length ranges\.. Source: (guide), read 2026-09-25T01:17:55.518Z. - Purpose and compatibility: It attaches any CYBEX bike trailer to a bicycle having a 12 mm rear thru axle\.. Source: (guide), read 2026-09-25T01:17:59.645Z. - Correct fit: Correct selection requires matching the existing bicycle axle’s diameter, length and thread pitch\.. Source: (manual), read 2026-09-25T01:18:01.829Z. - Passenger limits: The ZENO cycling configuration is for one passenger, with a maximum passenger weight of 22 kg, maximum overall load of 34 kg and maximum child height of 111 cm\.. Source: (manual), read 2026-09-25T01:18:04.248Z. - Identifiers: The retailer’s structured data identifies its 159–178 mm M12 x 1\.5 listing as SKU CYB521002025 and GTIN 4063846115884\.. Source: (guide), read 2026-09-25T01:17:55.518Z. - Installation: CYBEX describes installation as quick and easy and offers four sizes\.. Source: (guide), read 2026-09-25T01:17:59.645Z. - Measuring fit: CYBEX instructs buyers to print its measuring template at actual size on A4 paper, then compare thread pitch, length and diameter\.. Source: (manual), read 2026-09-25T01:18:01.829Z. - Age range: The cycling\-kit manual shows an age range of 6 months to 4 years\.. Source: (manual), read 2026-09-25T01:18:04.248Z. - Selected variant: The maker page identifies the selected black M12 x 1\.0 version as 12 mm in diameter and adjustable from 154 to 172 mm long\.. Source: (guide), read 2026-09-25T01:17:59.645Z. - Thread warning: The replacement axle is incompatible if its threads do not match those of the removed axle\.. Source: (manual), read 2026-09-25T01:18:01.829Z. - Product code: CYBEX lists product code 521002011 for the black 154–172 mm, M12 x 1\.0 version\.. Source: (guide), read 2026-09-25T01:17:59.645Z. - Maker size guide: CYBEX’s guide lists 154–172 mm M12 x 1\.0, 169–184 mm M12 x 1\.0, 166–178 mm M12 x 1\.5 and 168–180 mm M12 x 1\.75; the retailer instead lists 154–172 mm, 171–183 mm, 159–178 mm and 174–180 mm respectively, so the sources disagree on three length ranges\.. Source: (manual), read 2026-09-25T01:18:01.829Z. - Professional help: CYBEX recommends getting help from a CYBEX retailer or bicycle specialist\.. Source: (manual), read 2026-09-25T01:18:01.829Z. - Required hitch: Using ZENO with a bicycle requires a CYBEX Cycling Hitch; it is supplied with the ZENO Cycling Kit and can also be purchased separately\.. Source: (manual), read 2026-09-25T01:18:01.829Z. The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/anbbaby-com--cybex-zeno-thru-axle-black) ## 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, owner reviews and the recall records of CPSC \(United States\), Health Canada and ACCC Product Safety Australia. 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 material is the axle made from? - How much does the axle weigh? - What does its surface feel like? - Does the black finish scratch, chip or rub off? - Which spacers and washers are included with the axle? - Which tools and tightening torque are required for installation? - Does the axle protrude beyond the bicycle frame? - Which bicycle brands and models have confirmed fitment? - How does it hold up after prolonged towing? - Which parts are most likely to bend, loosen or break? - What warranty covers the axle? - Which safety standards or certifications apply to the axle itself? - Is the CYBEX Cycling Hitch included with this axle? - Are replacement spacers available for every axle variant? To buy this through RoboTrunk, pass merchant `anbbaby-com`, product_id `gid://shopify/Product/6613060026454` and one variant_id from the list above. Product image of Cybex Zeno Thru Axle, supplied by anbbaby\.com: This product on anbbaby.com: Retrieved 2026-10-20T19:35:42.521Z 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) - [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)