{"product_id":"shimano-grx-rx825-di2-1x12-speed-wireless-electronic-gravel-groupset","title":"Shimano GRX RX825 Di2 1x12 Speed Wireless Electronic Gravel Groupset","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWireless shifting, built for the rough stuff.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe Shimano GRX RX825 Di2 groupset brings fully wireless electronic shifting to gravel for the first time. Semi-wireless architecture pairs cable-free shifters with a compact seat-tube battery, delivering the instant, precise shifts Di2 is famous for — with none of the cockpit clutter.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eGravel-first ergonomics.\u003c\/strong\u003e Redesigned hoods with a higher peak and anti-slip texture give you a secure hold over washboard and rooty descents, while Shimano's signature lever reach and free-stroke adjustment let you dial the fit to your hands.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003e1x12 gearing for unpaved adventures.\u003c\/strong\u003e A dedicated 1x drivetrain pairs the GRX chainring with wide-range 12-speed cassette 10–51T, giving you climbing gears for loaded bikepacking and enough top end for fast group rides. The clutch-equipped Shadow RD+ rear derailleur keeps the chain quiet and secure on the roughest tracks.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eConfident stopping.\u003c\/strong\u003e GRX hydraulic disc brakes with Servo Wave action deliver powerful, controlled braking with light lever effort — exactly what you want at the bottom of a loose gravel descent.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWhy buy from Eminence Cycle Co?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGenuine Shimano UK stock\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFast, tracked UK delivery\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eExpert advice on compatibility and setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eSet Includes\u003c\/h3\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eST-RX825 Di2 dual control levers (pair)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBR-RX820 hydraulic disc brake calipers (front \u0026amp; rear)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRD-RX827 GRX Di2 rear derailleur (Shadow RD+ clutch)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFC-RX820-1 crankset (40T, 42T, 44, 160\/165\/170\/172.5\/175mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCS-M6200-12 cassette 10-51T\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCN-M6100 12-speed chain\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBT-DN320 battery\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eECDN100 wireless rear battery charger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cem\u003eRotors sold separately. Contact us for build-specific compatibility advice.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv class=\"bundlegroup_item_options\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"160mm \/ 40T","offer_id":53476343349537,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"160mm \/ 42T","offer_id":53476343382305,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"160mm \/ 44T","offer_id":53476343415073,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"160mm \/ 46T","offer_id":53476343447841,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"165mm \/ 40T","offer_id":53476343480609,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"165mm \/ 42T","offer_id":53476343513377,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"165mm \/ 44T","offer_id":53476343546145,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"165mm \/ 46T","offer_id":53476343578913,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"170mm \/ 40T","offer_id":52015692480801,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"170mm \/ 42T","offer_id":53476343611681,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"170mm \/ 44T","offer_id":53476343644449,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"170mm \/ 46T","offer_id":53476343677217,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm \/ 40T","offer_id":53476343709985,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm \/ 42T","offer_id":53476343742753,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm \/ 44T","offer_id":53476343775521,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"172.5mm \/ 46T","offer_id":53476343808289,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"175mm \/ 40T","offer_id":53476343841057,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"175mm \/ 42T","offer_id":53476343873825,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"175mm \/ 44T","offer_id":53476343906593,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true},{"title":"175mm \/ 46T","offer_id":53476343939361,"sku":null,"price":936.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/4400\/7201\/files\/3738_rx827_1.webp?v=1763504767","url":"https:\/\/eminencecycleco.com\/products\/shimano-grx-rx825-di2-1x12-speed-wireless-electronic-gravel-groupset","provider":"EMINENCE CYCLE CO.","version":"1.0","type":"link"}