{"product_id":"technic-rotation-joint-disk-with-large-pin-and-3l-liftarm-thick","title":"Technic Rotation Joint Disk 3L Liftarm (4225)","description":"\u003cp\u003eThe LEGO® Technic rotation joint disk 4225 combines a pivoting disk element with a 3L thick liftarm, enabling controlled rotational movement in mechanical builds. This part integrates a large pin connection for secure attachment within Technic structures.\u003c\/p\u003e\n\n\u003ch2\u003eMechanical Function \u0026amp; Design\u003c\/h2\u003e\n\u003cp\u003eThis element is designed to create pivot points between connected components. The rotation disk allows smooth movement along a fixed axis, while the integrated liftarm provides structural support and alignment within Technic assemblies.\u003c\/p\u003e\n\n\u003ch2\u003eApplications in Technic Builds\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRotation joint disk for controlled pivot movement\u003c\/li\u003e\n  \u003cli\u003eIntegrated 3L thick liftarm for structural reinforcement\u003c\/li\u003e\n  \u003cli\u003eLarge pin connection for stable Technic compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBrowse more components in the \u003ca href=\"\/collections\/parts-lego-technic-pieces\"\u003eLEGO® Technic parts collection\u003c\/a\u003e to expand your mechanical builds.\u003c\/p\u003e","brand":"LEGO","offers":[{"title":"Olive Green","offer_id":51129999163725,"sku":"lego44225olivegreennew","price":0.37,"currency_code":"USD","in_stock":false},{"title":"White","offer_id":51129999196493,"sku":"lego44225whitenew","price":2.71,"currency_code":"USD","in_stock":false},{"title":"Light Bluish Gray","offer_id":51129999229261,"sku":"lego44225lbgnew","price":0.15,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":51129999262029,"sku":"lego44225blacknew","price":27.34,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/6715\/2205\/files\/light-bluish-gray-technic-rotation-joint-disk-3l-liftarm.jpg?v=1771921248","url":"https:\/\/www.choose-a-brick.com\/products\/technic-rotation-joint-disk-with-large-pin-and-3l-liftarm-thick","provider":"www.choose-a-brick.com","version":"1.0","type":"link"}