{"product_id":"shimano-2025-rd-r8150-ultegra-di2-12-speed-rear-derailleur","title":"Shimano RD-R8150 Ultegra Di2 12-speed Rear Derailleur","description":"\u003cp\u003eUltegra Shadow design with Di2 technology, shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe rear derailleur is now the brains of the system with wireless connectivity to the shifters. It acts as the point the system is charged, provides ANT+ connection to 3rd party devises and replaces the handlebar junction\u003c\/li\u003e\n\u003cli\u003eButton on the derailleur for Di2 operations, and LED light denotes synchronized shift mode, setting mode and charge requirements\u003c\/li\u003e\n\u003cli\u003eSleek appearance with Low profile Shadow design construction reduces risk of damage in a crash\u003c\/li\u003e\n\u003cli\u003eProgrammed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift\u003c\/li\u003e\n\u003cli\u003eThe removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts\u003c\/li\u003e\n\u003cli\u003eDerailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts\u003c\/li\u003e\n\u003cli\u003eHigh tolerance cold forged aluminium link plates and body construction is extremely light and durable\u003c\/li\u003e\n\u003cli\u003eFour self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting\u003c\/li\u003e\n\u003cli\u003e12-speed E-tube Di2 compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eWide gear ratio compatible up to 11-34T\u003c\/li\u003e\u003c\/ul\u003e","brand":"Dales Cycles","offers":[{"title":"Long (SGS)","offer_id":53507000697171,"sku":"RDR8150","price":379.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/7102\/2419\/files\/rdr8150.jpg?v=1776424260","url":"https:\/\/dalescycles.com\/products\/shimano-2025-rd-r8150-ultegra-di2-12-speed-rear-derailleur","provider":"Dales Cycles","version":"1.0","type":"link"}