{"product_id":"shimano-grx-rd-rx827-di2-12-speed-rear-derailleur-shadow-es-for-51t-single","title":"Shimano GRX RD-RX827 Di2 12-speed Rear Derailleur, Shadow ES, for 51T Single","description":"\u003cp\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 Precise and clean wireless shifting with Integrated on-board removable battery (BT-DN320 sold separately)\u003c\/p\u003e\n\u003cp\u003eThe integrated removable on-board battery is protected within the linkage \u003cbr\u003eCrash recovery function, absorbs impacts and returns to its original position \u003cbr\u003eConnectivity BLE, ANT private \u003cbr\u003eShadow ES features a super low profile skid plate design and optimized slant angle for optimal clearance \u003cbr\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 \u003cbr\u003eThe Shadow ES system is also zero maintenance and has no degradation of performance \u003cbr\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\/p\u003e\n\u003cp\u003eWith the tighter chain wrap skipping is prevented even as the cogs wear \u003cbr\u003e13T solid pulleys and decreased derailleur tension prevent high chain tension in low gears \u003cbr\u003eAlloy outer and inner pulley cage saves weight and increases rigidity \u003cbr\u003eCold forged wide alloy links and pivot body \u003cbr\u003eFluorine-coated link pin bushings \u003cbr\u003eSpecifically designed to work with 12-speed drivetrains \u003cbr\u003e10-51 tooth compatible SGS cage \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSPECIFICATION\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpeed: 12 Speed\u003c\/li\u003e\n\u003cli\u003eDiscipline: Gravel \u0026amp; Cyclocross\u003c\/li\u003e\n\u003cli\u003eColour: Black\u003c\/li\u003e\n\u003cli\u003eSize: SGS - long\u003c\/li\u003e\n\u003cli\u003eDi2: Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":46544292937890,"sku":"RD0SHI0108","price":409.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0120\/9522\/5952\/files\/grx_rd_rx827_rd1.jpg?v=1769601108","url":"https:\/\/www.highonbikes.com\/products\/shimano-grx-rd-rx827-di2-12-speed-rear-derailleur-shadow-es-for-51t-single","provider":"High on Bikes","version":"1.0","type":"link"}