{"product_id":"shimano-dura-ace-di2-st-r9180-hydraulic-disc-brake-assembled-set","title":"Shimano Dura-Ace Di2 ST-R9180 Hydraulic Disc Brake Assembled Set","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eShimano Dura-Ace Di2 ST-R9180 Hydraulic Disc Brake Assembled Set\u003c\/strong\u003e brings Shimano's flagship braking hardware to disc-equipped road bikes as a ready-to-install unit — no sourcing mineral oil, bleeding kits, or individual components separately. Each set arrives assembled, available as either a front or rear unit, so you can replace or upgrade one end of your system without committing to a full lever swap.\u003c\/p\u003e\n\n\u003cp\u003eBuilt for the Dura-Ace R9100 series, these levers integrate Di2 electronic shift actuation and hydraulic disc brake control into a single unit. \u003cstrong\u003eMineral oil hydraulic actuation\u003c\/strong\u003e delivers consistent, progressive braking feel across long descents and in wet conditions — the kind of modulation that gives you precise control rather than an on-off response. Because they're spec'd at the top of Shimano's road hierarchy, the finish, feel, and function are in line with what competitive road and endurance riders expect from dedicated race-level hardware.\u003c\/p\u003e\n\n\u003ch3\u003eShimano Dura-Ace Di2 ST-R9180 Hydraulic Specs at a Glance\u003c\/h3\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n  \u003cli\u003eShimano Dura-Ace R9100 series compatibility\u003c\/li\u003e\n  \u003cli\u003eDi2 electronic shifting integration\u003c\/li\u003e\n  \u003cli\u003eHydraulic disc brake actuation — mineral oil\u003c\/li\u003e\n  \u003cli\u003eAvailable as individual front or rear assembled unit\u003c\/li\u003e\n  \u003cli\u003eFinish: Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Black \/ Rear","offer_id":43520107773996,"sku":"IR9180DRRDSA17A","price":538.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Front","offer_id":43520107806764,"sku":"IR9180DLF4SA10A","price":538.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/ricycles.com\/products\/shimano-dura-ace-di2-st-r9180-hydraulic-disc-brake-assembled-set","provider":"RA Cycles","version":"1.0","type":"link"}