{"product_id":"shimano-ultegra-di2-rd-r8150-schaltwerk-12-fach-elektronisch-ohne-achseinheit","title":"Shimano Ultegra Di2 RD-R8150 Rear Derailleurs | 12-speed | electronic | without axle unit","description":"\u003cp\u003e\u003cstrong\u003eUltra-fast 12-speed Di2 shifting - compact and smartly connected.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eShimano Ultegra Di2 RD-R8150 Rear Derailleurs\u003c\/strong\u003e is the electronic heart of the \u003cstrong\u003e12-speed ULTEGRA R8100 groupset\u003c\/strong\u003e and combines the rear derailleur, control unit and wireless unit in one compact component. It offers the \u003cstrong\u003eindustry's very fast, precise shifting performance\u003c\/strong\u003e and controls all Di2 functions at the rear - including LED status display, pairing and adjustment mode.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003euniform cage length\u003c\/strong\u003e simplifies selection: The RD-R8150 accommodates 12-speed road bike cassettes with up to \u003cstrong\u003e34 teeth\u003c\/strong\u003e on the largest sprocket and offers a \u003cstrong\u003etotal capacity of 39 teeth\u003c\/strong\u003e. With the \u003cstrong\u003eAuto-Trim function\u003c\/strong\u003e and \u003cstrong\u003eSHIMANO Synchro-Shift\u003c\/strong\u003e (including Semi-Synchro support), the system intelligently adjusts gear combinations, reduces cross-chaining and ensures the chain is always routed optimally.\u003c\/p\u003e\n\u003cp\u003eThe rear derailleur is \u003cstrong\u003ewireless-capable\u003c\/strong\u003e and houses the unit for \u003cstrong\u003ewireless signal transmission\u003c\/strong\u003e, as well as the central \u003cstrong\u003efunction\/pairing button with LED display\u003c\/strong\u003e. This allows you to check the battery status, pairing and adjustment mode directly on the rear derailleur. Operation requires a \u003cstrong\u003eDi2 battery (e.g. BT-DN300)\u003c\/strong\u003e, suitable \u003cstrong\u003eEW-SD300 cables\u003c\/strong\u003e and the \u003cstrong\u003eEW-EC300 charging cable\u003c\/strong\u003e (not included).\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eImportant installation note:\u003c\/strong\u003e\u003c\/span\u003e The rear derailleur is designed for Direct Mount. The \u003cstrong\u003eShimano axle unit for rear derailleur hanger\u003c\/strong\u003e is \u003cstrong\u003enot\u003c\/strong\u003e included and must be purchased separately if required. Suitable axle unit: \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShimano number: \u003c\/strong\u003eY3J198020 \u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eEAN: \u003c\/strong\u003e4550170229375\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eHighlights:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-speed Di2 rear derailleur:\u003c\/strong\u003e electronic shifting precision for modern ULTEGRA R8100 road bike setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated control unit:\u003c\/strong\u003e wireless function, charging port, function button \u0026amp; LED status display directly in the rear derailleur.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchro-Shift \u0026amp; Auto-Trim:\u003c\/strong\u003e intelligent shifting logic for a clean chain line and optimally selected gears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne cage for everything:\u003c\/strong\u003e uniform cage length for cassettes up to 34 teeth - simplifying component selection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Shimano\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroupset:\u003c\/strong\u003e ULTEGRA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e R8100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RD-R8150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct category:\u003c\/strong\u003e electronic Di2 rear derailleur\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Road \/ road bike\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear speeds:\u003c\/strong\u003e 12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e Top Normal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended chain:\u003c\/strong\u003e HG 12-speed (Shimano Road 12-speed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal capacity:\u003c\/strong\u003e 39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. largest sprocket:\u003c\/strong\u003e 34 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin. largest sprocket:\u003c\/strong\u003e 30 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. smallest sprocket:\u003c\/strong\u003e 11 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin. smallest sprocket:\u003c\/strong\u003e 11 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. front difference:\u003c\/strong\u003e 16 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Auto-Trim, Shimano Synchro-Shift, LED status display (battery level, pairing, setup mode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated unit:\u003c\/strong\u003e wireless interface, switch \u0026amp; charging port in the rear derailleur housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Shimano ULTEGRA R8100 12-speed Di2 systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dark grey \/ ULTEGRA finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Shimano Ultegra Di2 RD-R8150 Rear Derailleurs | 12-speed | electronic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ewithout\u003c\/strong\u003e axle unit \/ rear derailleur hanger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener\" title=\"What is workshop packaging - RAAAD.de\" href=\"https:\/\/raaad.de\/pages\/was-ist-eine-werkstattverpackung\" target=\"_blank\"\u003e\u003cspan\u003eworkshop packaging\u003c\/span\u003e\u003c\/a\u003e (without outer packaging)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer's part no.:\u003c\/strong\u003e IRDR8150F | \u003cstrong\u003eEAN: \u003c\/strong\u003e4550170240967\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe Shimano Ultegra Di2 RD-R8150 is the central shifting and control unit for your 12-speed Di2 road bike - compact, fast, precise and ready for modern, wirelessly connected road setups.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":56694626910473,"sku":"B5D3","price":200.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/shimano-ultegra-di2-rd-r8150-schaltwerk-12-fach-elektronisch-ohne-achseinheit-3143838.webp?v=1766356759","url":"https:\/\/www.raaad.com\/en-en\/products\/shimano-ultegra-di2-rd-r8150-schaltwerk-12-fach-elektronisch-ohne-achseinheit","provider":"RAAAD.de","version":"1.0","type":"link"}