{"product_id":"rd-m9250-di2-wireless-xtr-12-spd-rear-mech-without-battery-hyperglide","title":"RD-M9250 Di2 Wireless XTR 12-spd rear mech without battery, HYPERGLIDE","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\u003eCompact drive GS mech offers more ground clearance (-23mm) whiles also saving weight\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\u003e9-45 tooth compatible GS cage\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano XTR","offers":[{"title":"GS - medium \/ Black","offer_id":57285639668086,"sku":"RDM9250GS","price":754.0,"currency_code":"USD","in_stock":true},{"title":"SGS - long \/ Black","offer_id":57285639700854,"sku":"RDM9250SGS","price":754.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0535\/6896\/2742\/files\/rdm9250gs_4d8be5e8-de22-4b3e-9e35-7a071d543ba0.jpg?v=1770980929","url":"https:\/\/ruk-bikes.com\/en-us\/products\/rd-m9250-di2-wireless-xtr-12-spd-rear-mech-without-battery-hyperglide","provider":"RUK-BIKES","version":"1.0","type":"link"}