{"product_id":"shimano-tiagra-rd-r4000-rear-derailleur-11-speed-shadow-rd-design-top-normal-direct-attach-long-cage-blk","title":"Tiagra RD-R4000 Rear Derailleur - 11-Speed Shadow RD Design Top Normal Direct Attach Long Cage","description":"\u003ch2\u003eSmooth, Silent, and Built to Perform\u003c\/h2\u003e\n\u003cp\u003eThe Shimano RD-R4000 11-speed rear derailleur is engineered for 2x11-speed road setups, delivering crisp, reliable, and smooth shifting across a wide range of terrain. Combining a lightweight, compact design with rock-solid reliability, this derailleur offers an elevated road riding experience whether you are tackling steep climbs or pacing on long endurance efforts.\u003c\/p\u003e\n\u003cp\u003eFeaturing Shimano's low-profile Shadow RD technology and single-tension construction, the RD-R4000 prevents the derailleur from hitting the chainstay during rough riding conditions for a whisper-quiet performance. With its expanded gear capacity and long cage design, it easily accommodates wider cassettes so you always have the perfect cadence for any gradient.\u003c\/p\u003e\n\u003ch3\u003eThe Best Bits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eShadow RD Low Profile:\u003c\/b\u003e Ultra-low profile design with single-tension construction prevents chainstay contact, delivering silent, smooth performance even on rough roads\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision 2x11 Shifting:\u003c\/b\u003e Built for 2x11 road drivetrains to deliver quick, crisp, and effortless gear changes when you need them most\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExpanded Gear Range:\u003c\/b\u003e Supports larger rear sprockets up to a 36T cog, giving you the bail-out gears required for steep climbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Chain Compatibility:\u003c\/b\u003e Plays perfectly with both LINKGLIDE and standard HG 11-speed chains for setup flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLightweight \u0026amp; Refined:\u003c\/b\u003e Compact, durable construction sheds weight while maintaining high reliability season after season\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e RD-R4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDrivetrain Speeds:\u003c\/b\u003e 11-Speed (2x11 setups)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCage Length:\u003c\/b\u003e Long\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLargest Cog:\u003c\/b\u003e 36T\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChain Wrap Capacity:\u003c\/b\u003e 41T\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShifter\/Derailleur Compatibility:\u003c\/b\u003e Shimano Road\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMount Type:\u003c\/b\u003e Direct Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChain Compatibility:\u003c\/b\u003e LINKGLIDE and HG 11-Speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCassette Compatibility:\u003c\/b\u003e CS-RS400 11-speed (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":67656854208614,"sku":"ERDR4000","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0286\/1214\/files\/1e3c9ed19e90e27f45801a6cde87356c14a7e4f6.jpg?v=1791416776","url":"https:\/\/bicyclewarehouse.com\/products\/shimano-tiagra-rd-r4000-rear-derailleur-11-speed-shadow-rd-design-top-normal-direct-attach-long-cage-blk","provider":"Bicycle Warehouse","version":"1.0","type":"link"}