{"product_id":"freewheel-fdr8150f","title":"FD-R8150 Ultegra Di2 12-speed front derailleur E-tube, braze on, double","description":"\u003cp\u003eFD-R8150 Ultegra Di2 12-speed front derailleur E-tube, braze on, double.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to wireless communication with the gear levers. What's more, shifting the rear derailleur automatically trims the front derailleur\u003c\/li\u003e\n\u003cli\u003eFull and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratio\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\u003eThe front derailleur also trims automatically; the cage moves in response to the position of the rear derailleur on the cassette to ensure no chain rub and a quiet unobtrusive ride, enabling you to concentrate on the road ahead\u003c\/li\u003e\n\u003cli\u003eDesigned to work with the wider gear pitch spacing Shimano chainsets without sacrificing shifting performance on bikes with 135 \/ 142 mm O.L.D.\u003c\/li\u003e\n\u003cli\u003eBraze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available\u003c\/li\u003e\n\u003cli\u003e12-speed E-tube SD300 wire compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct code: FDR8150F.\u003c\/p\u003e","brand":"Freewheel \/ Madison","offers":[{"title":"Default Title","offer_id":55543826121046,"sku":"FDR8150F","price":249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/1425\/4166\/files\/ftp_f_freewheel_imagesmadisonfwaccessoriesfdr8150f_1.jpg?v=1790787967","url":"https:\/\/substancecycles.co.uk\/products\/freewheel-fdr8150f","provider":"Substance Cycles","version":"1.0","type":"link"}