{"product_id":"robert-axle-kid-trailer-cervelo-rat-12x142mm","title":"Robert Axle Project Thru-Axle | Kid Trailer | M12×1.75 × Fits 12×142 mm hub","description":"\u003cdiv style=\"text-align:center;max-width:760px;margin:0 auto;font-family:inherit;\"\u003e\n\u003c!-- HAB:BRAND:START --\u003e\n\u003cdiv style=\"text-align:center;padding:14px 0;border-top:1px solid #e5e5e5;border-bottom:1px solid #e5e5e5;margin:20px 0;\"\u003e\n  \u003cp style=\"text-align:center;margin:0;font-size:0.95rem;letter-spacing:0.04em;\"\u003e\n    \u003cstrong\u003e\u003ca href=\"\/collections\/robert-axle-project\" style=\"text-decoration:none;color:#2A221B;\"\u003eROBERT AXLE PROJECT\u003c\/a\u003e\u003c\/strong\u003e\n    \u003cspan style=\"color:#5C654D;padding:0 6px;\"\u003e·\u003c\/span\u003e\n    \u003cspan style=\"color:#5C654D;\"\u003eUS-machined thru-axle adapters\u003c\/span\u003e\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- HAB:BRAND:END --\u003e\n\n\u003c!-- HAB:HERO:START --\u003e\n\u003cdiv style=\"text-align:center;margin:16px 0 24px;\"\u003e\n  \u003cp style=\"text-align:center;font-size:1.05rem;color:#5C654D;font-weight:600;margin:0;\"\u003eA Robert Axle Project thru-axle for kid, dog and cargo trailers in M12×1.75 × Fits 12×142 mm hub.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- HAB:HERO:END --\u003e\n\n\u003c!-- HAB:OVERVIEW:START --\u003e\n\u003ch2 style=\"text-align:center;\"\u003eRobert Axle Project Thru-Axle | Kid Trailer | M12×1.75 × Fits 12×142 mm hub (Cervelo R.A.T, Cervelo)\u003c\/h2\u003e\n\u003cp style=\"text-align:center;\"\u003eA Robert Axle Project thru-axle for kid, dog and cargo trailers. It replaces your bike's stock rear thru-axle with one that carries a bolt-on eyelet for the trailer hitch, so you can tow a kid \/ cargo trailer from a modern thru-axle bike.\u003c\/p\u003e\n\u003cp style=\"text-align:center;\"\u003eSpec: 12 mm diameter, M12×1.75 thread, Fits 12×142 mm hub long. Machined in USA — Bend, Oregon, in 7075 aluminium with stainless-steel ends. Backed by RAP's lifetime warranty.\u003c\/p\u003e\n\u003cp style=\"text-align:center;\"\u003eThe M10×1 threaded stud on the stainless end accepts any standard trailer hitch — the one your Croozer, Thule Chariot, Burley, Weehoo or Wike came with. Installed or removed with a 5 mm Allen key.\u003c\/p\u003e\n\u003c!-- HAB:OVERVIEW:END --\u003e\n\n\u003c!-- HAB:HIGHLIGHTS:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003eHighlights\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;text-align:center;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM12×1.75 × Fits 12×142 mm hub\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Direct-fit thru-axle spec\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrailer-ready\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Bolt-on eyelet accepts your trailer hitch\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7075 aluminium \u0026amp; stainless\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Hard-anodised axle shaft, stainless-steel ends\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFive-minute swap\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Fits with the Allen key you already own\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in USA\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Machined and tested in Bend, Oregon\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLifetime warranty\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Backed by Robert Axle Project\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- HAB:HIGHLIGHTS:END --\u003e\n\n\u003c!-- HAB:AT_A_GLANCE:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003eAt a glance\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;text-align:center;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for\u003c\/strong\u003e — Towing a Croozer, Thule, Burley or similar trailer from a thru-axle bike\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal rider\u003c\/strong\u003e — Parents or cargo cyclists towing on a thru-axle bike\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- HAB:AT_A_GLANCE:END --\u003e\n\n\u003c!-- HAB:SPECS:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003eFull specification\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;text-align:center;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxle diameter\u003c\/strong\u003e — 12 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread pitch\u003c\/strong\u003e — M12×1.75\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxle length\u003c\/strong\u003e — Fits 12×142 mm hub\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e — 7075 aluminium axle shaft with stainless steel ends\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in\u003c\/strong\u003e — USA — Bend, Oregon\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e — Lifetime — Robert Axle Project\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible brands\u003c\/strong\u003e — Aevon, Burley, Chariot, Croozer, InStep, Thule, Weehoo, Wike\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNamed-fit bikes\u003c\/strong\u003e — Cervelo R.A.T, Cervelo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- HAB:SPECS:END --\u003e\n\n\u003c!-- HAB:PRO_TIP:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003ePro tip\u003c\/h3\u003e\n\u003cp style=\"text-align:center;\"\u003eIf you own a modern mountain, gravel, road or e-bike from around 2018 onwards, you probably have a thru-axle rather than a quick-release. A thru-axle looks like a solid rod that threads directly into the frame — no lever, no skewer. The RAP axle replaces that rod with a matching one that has a bolt-on eyelet for the trailer hitch. Five minutes with the Allen key that came with your bike, and you're done.\u003c\/p\u003e\n\u003c!-- HAB:PRO_TIP:END --\u003e\n\n\u003c!-- HAB:IN_THE_BOX:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;text-align:center;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobert Axle Project thru-axle\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Machined 7075 aluminium shaft with stainless-steel ends\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstructions\u003c\/strong\u003e \u003cspan style=\"color:#5C654D;\"\u003e— Simple install with a 5 mm Allen key\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- HAB:IN_THE_BOX:END --\u003e\n\n\u003c!-- HAB:FIT_CHECK:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003eWill it fit\u003c\/h3\u003e\n\u003cp style=\"text-align:center;\"\u003eFits bikes with a 12 mm thru-axle, M12×1.75 thread, Fits 12×142 mm hub long. Check your bike manufacturer's spec sheet, or unscrew your existing rear axle and read the markings on it. Robert Axle Project keeps a bike-lookup guide at robertaxleproject.com that lists common bikes and their axle specs.\u003c\/p\u003e\n\u003cp style=\"text-align:center;\"\u003eFits kid trailers and cargo trailers that use a hitch-and-nut mount — Croozer (Click \u0026amp; Crooz), Thule Chariot, Burley, Weehoo, Wike, Aevon, InStep and similar. The RAP axle replaces your rear wheel axle and provides an M10×1 threaded stud that accepts the standard trailer hitch.\u003c\/p\u003e\n\u003cp style=\"text-align:center;\"\u003eNamed-fit bikes on the source page: Cervelo R.A.T, Cervelo.\u003c\/p\u003e\n\u003cp style=\"text-align:center;\"\u003eNot sure if it fits? Email fit@hitchabike.co.uk with your bike make, model and year — we'll match you to the right axle. Robert Axle Project and Croozer both make thru-axle solutions for trailer-hauling; either is a valid answer depending on your axle spec.\u003c\/p\u003e\n\u003c!-- HAB:FIT_CHECK:END --\u003e\n\n\u003c!-- HAB:QUICK_ANSWER:START --\u003e\n\u003ch3 style=\"color:#5C654D;text-align:center;\"\u003eQuick answer\u003c\/h3\u003e\n\u003cp style=\"background:#F5F1E8;padding:18px 22px;border-radius:4px;text-align:center;color:#2A221B;\"\u003eA Robert Axle Project thru-axle for kid, dog and cargo trailers in M12×1.75 × Fits 12×142 mm hub. Replaces your bike's rear thru-axle so you can tow a trailer from a thru-axle bike. Made in USA — Bend, Oregon, lifetime warranty. £103.95.\u003c\/p\u003e\n\u003ch4 style=\"text-align:center;margin-top:20px;\"\u003eFast facts\u003c\/h4\u003e\n\u003cul style=\"list-style:none;padding:0;text-align:center;\"\u003e\n  \u003cli\u003eThread: M12×1.75\u003c\/li\u003e\n  \u003cli\u003eDiameter: 12 mm\u003c\/li\u003e\n  \u003cli\u003eLength: Fits 12×142 mm hub\u003c\/li\u003e\n  \u003cli\u003eMaterial: 7075 aluminium axle shaft with stainless steel ends\u003c\/li\u003e\n  \u003cli\u003eMade in: USA — Bend, Oregon\u003c\/li\u003e\n  \u003cli\u003eWarranty: Lifetime (RAP)\u003c\/li\u003e\n  \u003cli\u003eSKU: 50028\u003c\/li\u003e\n  \u003cli\u003eNamed-fit bikes: Cervelo R.A.T, Cervelo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- HAB:QUICK_ANSWER:END --\u003e\n\n\u003c!-- HAB:DECISION:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003eChoose if\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;text-align:center;\"\u003e\n  \u003cli\u003eYour bike has a 12 mm rear thru-axle with a M12×1.75 thread and you want to tow a Croozer, Thule, Burley or similar kid\/dog\/cargo trailer.\u003c\/li\u003e\n  \u003cli\u003eYou want a lifetime-warranty, made-in-USA axle from the company that pioneered thru-axle trailer solutions.\u003c\/li\u003e\n  \u003cli\u003eYou already own a Croozer, Thule Chariot, Burley or similar hitch-mount trailer and need the axle to attach it to a thru-axle bike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align:center;\"\u003eNot ideal if\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;text-align:center;\"\u003e\n  \u003cli\u003eYour bike has a quick-release rear axle (a lever-and-skewer setup) — you don't need a thru-axle. Use the Croozer Universal Click \u0026amp; Crooz Round Axle Hitch (\/products\/croozer-universal-click-crooz-round-axle-hitch-for-kid-kid-plus) or the standard hitch your trailer came with.\u003c\/li\u003e\n  \u003cli\u003eYour rear axle is not M12×1.75 — the axle must match. Check first, or email fit@hitchabike.co.uk.\u003c\/li\u003e\n  \u003cli\u003eYou want a Croozer-native thru-axle solution — the Croozer Click \u0026amp; Crooz thru-axle adapter is a valid alternative if we stock one that matches your axle spec.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- HAB:DECISION:END --\u003e\n\n\u003c!-- HAB:FAQ:START --\u003e\n\u003ch3 style=\"text-align:center;\"\u003eFAQ\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n  \u003cp style=\"text-align:center;margin:0 0 6px;\"\u003e\u003cstrong\u003eHow do I know if this axle fits my bike?\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align:center;margin:0;color:#2A221B;\"\u003eCheck your bike manufacturer's spec sheet for rear-axle diameter, thread pitch and total length. Or unscrew your existing rear axle and read the markings. Or email fit@hitchabike.co.uk with your bike make, model and year.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n  \u003cp style=\"text-align:center;margin:0 0 6px;\"\u003e\u003cstrong\u003eIs the trailer hitch included?\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align:center;margin:0;color:#2A221B;\"\u003eNo. The hitch is what comes with your trailer (BOB skewer, Croozer Click \u0026amp; Crooz, Thule ball hitch, etc.). This axle just gives that hitch a mounting point on your bike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n  \u003cp style=\"text-align:center;margin:0 0 6px;\"\u003e\u003cstrong\u003eWhat tool do I need to install it?\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align:center;margin:0;color:#2A221B;\"\u003eA 5 mm Allen key — the same one you likely already carry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n  \u003cp style=\"text-align:center;margin:0 0 6px;\"\u003e\u003cstrong\u003eIs there a warranty?\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align:center;margin:0;color:#2A221B;\"\u003eYes — Robert Axle Project offer a lifetime warranty on their axles and adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n  \u003cp style=\"text-align:center;margin:0 0 6px;\"\u003e\u003cstrong\u003eWhere is it made?\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align:center;margin:0;color:#2A221B;\"\u003eMachined and tested in Bend, Oregon, USA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n  \u003cp style=\"text-align:center;margin:0 0 6px;\"\u003e\u003cstrong\u003eDoes this work with my Croozer?\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"text-align:center;margin:0;color:#2A221B;\"\u003eYes — Croozer's standard trailer hitch mounts to the M10×1 threaded stud on the stainless-steel end of the RAP axle. Works with the Kid, Yuuna, Dog and Cargo Croozer lines that use the Click \u0026amp; Crooz hitch system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- HAB:FAQ:END --\u003e\n\u003c\/div\u003e","brand":"Robert Axle Project","offers":[{"title":"Default Title","offer_id":56347852669307,"sku":"50028","price":118.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/5711\/5864\/files\/Cervelo-TRA_1_460x598_fa0e1a4a-4af4-42e9-bf51-9e22b6a431d3.jpg?v=1785180098","url":"https:\/\/hitchabike.co.uk\/products\/robert-axle-kid-trailer-cervelo-rat-12x142mm","provider":"Hitch A Bike","version":"1.0","type":"link"}