{"product_id":"rd-rx827-grx-di2-12-speed-rear-derailleur-shadow-es-for-51t-single","title":"RD-RX827 GRX Di2, 12-speed rear derailleur, Shadow ES, for 51T single","description":"\u003cul\u003e\n\u003cli\u003eShimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world\u003c\/li\u003e\n\u003cli\u003ePrecise and clean wireless shifting with Integrated on-board removable battery (BT-DN320 sold separately)\u003c\/li\u003e\n\u003cli\u003eThe integrated removable on-board battery is protected within the linkage\u003c\/li\u003e\n\u003cli\u003eCrash recovery function, absorbs impacts and returns to its original position\u003c\/li\u003e\n\u003cli\u003eConnectivity BLE, ANT private\u003c\/li\u003e\n\u003cli\u003eShadow ES features a super low profile skid plate design and optimized slant angle for optimal clearance\u003c\/li\u003e\n\u003cli\u003eShadow ES uses a dual spring chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting\u003c\/li\u003e\n\u003cli\u003eThe Shadow ES system is also zero maintenance and has no degradation of performance\u003c\/li\u003e\n\u003cli\u003eUnique structure using two springs has a tighter chain wrap that improves shifting and security with increased spring force by 70%, allowing the chain to mesh firmly with the sprocket\u003c\/li\u003e\n\u003cli\u003eWith the tighter chain wrap skipping is prevented even as the cogs wear\u003c\/li\u003e\n\u003cli\u003e13T solid pulleys and decreased derailleur tension prevent high chain tension in low gears\u003c\/li\u003e\n\u003cli\u003eAlloy outer and inner pulley cage saves weight and increases rigidity\u003c\/li\u003e\n\u003cli\u003eCold forged wide alloy links and pivot body\u003c\/li\u003e\n\u003cli\u003eFluorine-coated link pin bushings\u003c\/li\u003e\n\u003cli\u003eSpecifically designed to work with 12-speed drivetrains\u003c\/li\u003e\n\u003cli\u003e10-51 tooth compatible SGS cage\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano GRX","offers":[{"title":"SGS - long \/ Black","offer_id":57281413611894,"sku":"RDRX827SGS","price":589.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0535\/6896\/2742\/files\/rdrx827sgs_ff8da8b5-b1f4-4ee4-b59b-1394d0eaf68f.jpg?v=1770909793","url":"https:\/\/ruk-bikes.com\/en-us\/products\/rd-rx827-grx-di2-12-speed-rear-derailleur-shadow-es-for-51t-single","provider":"RUK-BIKES","version":"1.0","type":"link"}