{"product_id":"rdm9250sgs0","title":"RR MECH RDM9250 XTR 12sp W\/O BT SGS","description":"\u003cul\u003e\n\u003cli\u003eXTR Shadow ES 12-speed wireless rear derailleur for the ultimate in shifting performance and durability\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\u003eFull carbon fibre outer pulley cage saves weight while alloy inner cage increases rigidity\u003c\/li\u003e\n\u003cli\u003eCold forged wide alloy links and pivot body\u003c\/li\u003e\n\u003cli\u003eFour fluorine-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":"Madison","offers":[{"title":"Default Title","offer_id":55148002443649,"sku":"RDM9250SGS","price":549.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0336\/3982\/5547\/files\/rdm9250sgs_e88c36fa-9a3f-4b16-9248-a9c02adae99a.jpg?v=1778345898","url":"https:\/\/scuffwheels.com\/products\/rdm9250sgs0","provider":"Scuff Wheels","version":"1.0","type":"link"}