{"product_id":"shimano-2025-rd-r9250-dura-ace-di2-12-speed-rear-derailleur","title":"Shimano RD-R9250 Dura-Ace Di2 12-speed Rear Derailleur","description":"\u003cp\u003eDigital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency\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\u003eProgrammed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift\u003c\/li\u003e\n\u003cli\u003eSynchronized Shift designed, developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleur\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\u003c\/li\u003e\n\u003cli\u003eLow profile Shadow derailleur design\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\u003eFull carbon fibre inner and outer pulley plates enhance rigidity and reduce weight\u003c\/li\u003e\n\u003cli\u003eTitanium B axle bolt for further weight savings\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\u003ePulleys are made of tough DuPont Zytel for longer life and less chain noise\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\u003e11-34T wide gear ratio capacity will cater for compact setups as well as the traditional road double\u003c\/li\u003e\u003c\/ul\u003e","brand":"Dales Cycles","offers":[{"title":"Long (SGS)","offer_id":53507005415763,"sku":"RDR9250","price":699.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/7102\/2419\/files\/rdr9250.jpg?v=1776424273","url":"https:\/\/dalescycles.com\/products\/shimano-2025-rd-r9250-dura-ace-di2-12-speed-rear-derailleur","provider":"Dales Cycles","version":"1.0","type":"link"}