{"product_id":"shimano-grx-rd-rx817-rear-derailleur-11-speed-long-cage-di2-1x-black","title":"Shimano GRX RD-RX817 Rear Derailleur 11-Speed Long Cage Di2 1x Black","description":"\u003cp\u003e60-Day Returns  ·  Family Owned Since 1973  ·  Ships From Wisconsin\u003cbr\u003eShopAboutFeedback\u003cbr\u003eShimano GRX RD-RX817 Rear Derailleur 11-Speed Long Cage Di2 1x Black\u003cbr\u003eAbout This Item\u003cbr\u003eProduct Description\u003cbr\u003eThe Shimano GRX RD-RX817 rear derailleur is a premium 11-speed Di2 gravel derailleur built for smooth, reliable shifting across mixed surfaces. Designed specifically for 1x GRX drivetrains, it uses Shimano’s electronic Di2 platform and a gravel-tuned clutch to improve chain stability and shifting confidence on rough terrain.\u003cbr\u003eWith long cage capacity and support for cassettes up to 42T, it is a strong replacement or upgrade option for compatible gravel and all-road builds using Shimano road Di2 controls.\u003cbr\u003eKey Features\u003cbr\u003eGenuine Shimano GRX RD-RX817 rear derailleur\u003cbr\u003eDesigned for 11-speed Di2 drivetrains\u003cbr\u003eBuilt for 1x GRX setups\u003cbr\u003eLong cage design\u003cbr\u003eIntegrated clutch for improved chain stability\u003cbr\u003eGravel-tuned clutch tension for mixed-surface riding\u003cbr\u003eSmooth, precise electronic shifting\u003cbr\u003eBlack finish\u003cbr\u003eSpecifications\u003cbr\u003eBrand: Shimano\u003cbr\u003eSeries: GRX\u003cbr\u003eModel: RD-RX817\u003cbr\u003eProduct Type: Rear Derailleur\u003cbr\u003eDrivetrain Speeds: 11\u003cbr\u003eCage Length: Long\u003cbr\u003eLargest Cog: 42T\u003cbr\u003eChain Wrap Capacity: 31T\u003cbr\u003eRear Derailleur Mount Type: Shimano Rear Direct Mount\u003cbr\u003eRear Derailleur \/ Shifter Compatibility: Shimano Road Di2\u003cbr\u003eColor: Black\u003cbr\u003eWeight: 318g\u003cbr\u003eManufacturer Part Number: IRDRX817\u003cbr\u003eCompatibility\u003cbr\u003eCompatible with:\u003cbr\u003eShimano 11-speed Road Di2 shifter systems\u003cbr\u003eShimano GRX 1x drivetrain setups\u003cbr\u003eCassettes with up to a 42T largest cog, within drivetrain capacity limits\u003cbr\u003eFrames using Shimano rear direct mount derailleur interface\u003cbr\u003ePlease confirm drivetrain setup, cassette range, and derailleur mount compatibility before purchase.\u003cbr\u003eIncluded\u003cbr\u003eShimano GRX RD-RX817 rear derailleur\u003cbr\u003eWarranty and Notes\u003cbr\u003eDesigned specifically for 1x Shimano GRX Di2 applications\u003cbr\u003eClutch tension is tuned for gravel and mixed-surface riding\u003cbr\u003eIncludes only what is shown or described\u003cbr\u003eCondition\u003cbr\u003eNew\u003cbr\u003eGenuine OEM product\u003cbr\u003eIncludes only what is shown or described\u003cbr\u003eSpecifications\u003cbr\u003eBrand\tShimano\u003cbr\u003eCondition\tNew\u003cbr\u003ePart type\tRear Derailleur\u003cbr\u003eBike type\tGravel\u003cbr\u003eSize\t11-Speed 11-42T\u003cbr\u003eColour\tSilver\u003cbr\u003eManufacturer part number\t600064\u003cbr\u003eUnbeatable Year-Round Bargains\u003cbr\u003eWheel \u0026amp; Sprocket has been family owned since 1973, with shops across Milwaukee, the Fox Valley, Madison and Chicagoland. Every order is picked and packed by people who ride, and if something is not right a mechanic will answer you — not a script.\u003cbr\u003eShop The Outlet Store\u003cbr\u003eWheel \u0026amp; Sprocket Outlet · Item 617395140534\u003c\/p\u003e\u003ch2\u003eItem specifics\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #d8dde3\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eNew: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eColor\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eSize\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003e11-Speed 11-42T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eProduct Style\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eDi2 Shadow Plus Direct Attach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eProduct Model\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eShimano GRX RD-RX817\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003ePart Type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eRear Derailleur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eBike Type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eGravel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eShimano\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top;width:28%;background:#f6f7f8\"\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d8dde3;padding:8px 10px;text-align:left;vertical-align:top\"\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e","brand":"Ebikechoose","offers":[{"title":"Default Title","offer_id":67831335551158,"sku":"SRC-198411694670-DEFAULT-1","price":187.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/8766\/9430\/files\/s-l1600_ee5fc726-9570-40a0-b492-f14e7ca7d15d.jpg?v=1793053263","url":"https:\/\/www.ebikechoose.com\/products\/shimano-grx-rd-rx817-rear-derailleur-11-speed-long-cage-di2-1x-black","provider":"Ebikechoose","version":"1.0","type":"link"}