{"product_id":"shimano-grx-rd-rx812-rear-derailleur-11-speed-long-cage-black-with-clutch","title":"Shimano GRX RD-RX812 \/ RD-RX810 11-Speed Clutch Rear Derailleur","description":"\u003cp\u003eThe Shimano GRX 11-speed rear derailleur is a \u003cstrong\u003egravel derailleur with a Shadow RD+ chain stabilizer and an ON\/OFF switch\u003c\/strong\u003e, for quiet, secure shifting on mixed terrain. Clutch tension is tuned for gravel.\u003c\/p\u003e\n\u003cp\u003eThis listing offers the \u003cstrong\u003eRX812 for 1x up to 42t\u003c\/strong\u003e and the \u003cstrong\u003eRX810 for 2x up to 34t\u003c\/strong\u003e. Both work with Shimano road Dual Control Levers and LINKGLIDE or HG 11-speed chains.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGravel riders on GRX or Shimano 11-speed road levers.\u003c\/li\u003e\n\u003cli\u003eRiders choosing between a 1x (RX812) and 2x (RX810) setup.\u003c\/li\u003e\n\u003cli\u003eNot for 12-speed or SRAM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e RX812 = 1x, 42t max; RX810 = 2x, 34t max.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifter:\u003c\/strong\u003e Shimano 11-speed road Dual Control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e LINKGLIDE or HG 11-speed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eShadow RD+ with ON\/OFF.\u003c\/strong\u003e Adjustable stabilizer prevents chain slap; switch off for smooth roads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGravel-tuned clutch.\u003c\/strong\u003e Tension tuned for mixed surfaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo versions.\u003c\/strong\u003e Capacity 31t or 40t; weight 255 g or 267 g.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Clutch chain control on road shifters; 1x or 2x choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e 11-speed only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e Shimano's gravel-specific 11-speed derailleur.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eWe set up a lot of GRX 11-speed on gravel bikes. Victory Bicycle Studio can help you pick 1x or 2x.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Shimano\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e GRX RD-RX812 (1x) \/ RD-RX810 (2x)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain speeds:\u003c\/strong\u003e 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLargest cog:\u003c\/strong\u003e 42t (RX812) \/ 34t (RX810)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain wrap capacity:\u003c\/strong\u003e 31t \/ 40t depending on version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCage length:\u003c\/strong\u003e Long\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Shimano rear direct mount \/ standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifter compatibility:\u003c\/strong\u003e Shimano road Dual Control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e LINKGLIDE or HG 11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 255 g \/ 267 g depending on version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart numbers:\u003c\/strong\u003e IRDRX812 (1x), IRDRX810 (2x)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"42T","offer_id":53544573272371,"sku":"IRDRX812","price":145.0,"currency_code":"USD","in_stock":true},{"title":"34T","offer_id":53544573305139,"sku":"IRDRX810","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/66bc6d41475b85c68838b896b1eb693376995f23.jpg?v=1782336954","url":"https:\/\/victorybicyclestudio.com\/products\/shimano-grx-rd-rx812-rear-derailleur-11-speed-long-cage-black-with-clutch","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}