{"product_id":"shimano-grx-rd-rx812-1x11s","title":"SHIMANO GRX RD-RX812 1x11s","description":"\u003cp\u003eShimano's GRX RD-RX812 rear derailleur features adjustable chain stabilizers and Shimano Shadow RD+ technology to minimize chain bounce and drop for \u003cspan data-mce-fragment=\"1\"\u003esmooth, quiet shifting on rough surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e Use this rear derailleur when using \u003cspan data-mce-fragment=\"1\"\u003e11-40\u003c\/span\u003e or 11-42 cassettes in \u003cspan data-mce-fragment=\"1\"\u003efront single operation\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e SPEC\u003c\/h3\u003e\n\u003cp\u003e Series: GRX RX810 \u003cbr data-mce-fragment=\"1\"\u003eRecommended operation: gravel, cyclocross, touring\/trekking \u003cbr data-mce-fragment=\"1\"\u003eCompatible gears: 11-speed \u003cbr data-mce-fragment=\"1\"\u003eMounting style: standard (direct mount compatible) \u003cbr data-mce-fragment=\"1\"\u003eCapacity: 31T \u003cbr data-mce-fragment=\"1\"\u003eCompatibility: Shimano road 11-speed \u003cbr data-mce-fragment=\"1\"\u003eCompatible chains: HG-EV 11-speed, HG-X11 \u003cbr data-mce-fragment=\"1\"\u003eDerailleur pulley ： 11T \u003cbr data-mce-fragment=\"1\"\u003eGuide cage material: Aluminum \u003cbr data-mce-fragment=\"1\"\u003eOther component materials: Aluminum, plastic (GFRP), steel, stainless steel\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003e [COMPATIBILITY\u003c\/h3\u003e\n\u003cp\u003e - 1 x 11-speed GRX ST-RX810 and ST-RX600 STI levers \u003cbr data-mce-fragment=\"1\"\u003e- 11-speed MTB cassette, CS-M8000 and CS-M7000 max \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSprocket 40-42T\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e- 11-speed chain \u003cbr\u003e\u003c\/p\u003e","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":37402383188142,"sku":"IRDRX812","price":16257.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2085\/3661\/products\/Shimano-GRX-Schaltwerk-Shadow-Pl.jpg?v=1746081574","url":"https:\/\/shop.circles-jp.com\/en\/products\/shimano-grx-rd-rx812-1x11s","provider":"Circles｜サークルズ","version":"1.0","type":"link"}