{"product_id":"sram-s100-eagle-rear-derailleur-12-speed-traditional-udh-half-mount-capable-long-cage-50t-max-blk-b1","title":"SRAM S100 Eagle B1 12-Speed Long Cage 50t Max Black Rear Derailleur","description":"\u003cp\u003eThe SRAM S100 Eagle B1 is a \u003cstrong\u003ecable-actuated 12-speed Eagle derailleur for 11-50t and 10-50t cassettes\u003c\/strong\u003e, built for high-torque use including e-bikes and everyday trail riding. SRAM based it on ten years of Eagle development and revised the bushing fit for long-term precision.\u003c\/p\u003e\n\u003cp\u003eIt mounts to a \u003cstrong\u003etraditional derailleur hanger, or to a UDH with SRAM's Half Mount plate\u003c\/strong\u003e for extra security (UDH and plate sold separately). It is backward compatible with the Eagle SX, NX, GX, X01 and XX1 ecosystem, but \u003cstrong\u003enot with Eagle 70, Eagle 90 or Eagle Transmission\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRiders replacing an SX or NX Eagle derailleur on a 50t cassette.\u003c\/li\u003e\n\u003cli\u003eBike builders who want a durable 12-speed derailleur that can be Half Mounted on a UDH frame.\u003c\/li\u003e\n\u003cli\u003eConsider a different derailleur for 52t cassettes or T-Type Transmission drivetrains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEcosystem:\u003c\/strong\u003e Works with Eagle (non-T-Type) shifters, cassettes and chains. Not compatible with Eagle 70\/90 or Transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCassette:\u003c\/strong\u003e 11-50t or 10-50t; 50t maximum cog, 40t capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Traditional hanger, or UDH plus Half Mount plate (sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eDrag Spring cage damper.\u003c\/strong\u003e A friction spring damper that holds chain tension for chain retention on rough terrain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHalf Mount ready.\u003c\/strong\u003e The mounting bolt accepts SRAM's Half Mount plate when used with a UDH, which SRAM says increases hanger security.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImproved bushings.\u003c\/strong\u003e A revised bushing fitment process aimed at long-term durability and shifting precision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e500% range.\u003c\/strong\u003e Long cage sized for a 50t cassette.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Durable 12-speed Eagle shifting with a Half Mount option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e 50t max; not Transmission-compatible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e A modernized entry Eagle derailleur that can borrow some UDH security without a T-Type frame setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eWe like the S100 as a tough replacement derailleur for e-bikes and entry trail bikes. Victory Bicycle Studio can tell you whether Half Mount suits your frame.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e S100 Eagle (B1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain speeds:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLargest cog:\u003c\/strong\u003e 50t\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain wrap capacity:\u003c\/strong\u003e 40t\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCage length:\u003c\/strong\u003e Long\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Traditional hanger or UDH with Half Mount plate (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifter compatibility:\u003c\/strong\u003e SRAM X-Actuation (Eagle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper:\u003c\/strong\u003e Drag Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e Eagle 70, Eagle 90, Eagle Transmission\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 00.7518.205.000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":53531337687347,"sku":"00.7518.205.000","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/aabf3aed09e4c370deff401f0be07e72d56f2446.jpg?v=1782157066","url":"https:\/\/victorybicyclestudio.com\/products\/sram-s100-eagle-rear-derailleur-12-speed-traditional-udh-half-mount-capable-long-cage-50t-max-blk-b1","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}