{"product_id":"sram-sx-eagle-12-speed-rear-derailleur","title":"SRAM SX Eagle 12-Speed Rear Derailleur Long Cage Black","description":"\u003cp\u003e\u003cstrong\u003eAffordable entry point into the SRAM Eagle 12-speed drivetrain ecosystem.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe SRAM SX Eagle rear derailleur brings modern 1x12 Eagle drivetrain technology to riders looking for dependable shifting performance without moving into higher-cost drivetrain tiers. Using SRAM’s proven X-Horizon derailleur architecture, the SX Eagle derailleur is designed for trail bikes, hardtails, recreational mountain bikes, and budget-conscious Eagle drivetrain builds.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with both 11-50T and 10-50T Eagle cassettes, the SX Eagle delivers wide-range gearing for climbing, trail riding, and mixed terrain while maintaining the familiar SRAM Eagle ride feel.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Functional Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with SRAM Eagle 12-speed drivetrains\u003c\/li\u003e\n\u003cli\u003eSupports both 10-50T and 11-50T Eagle cassette ranges\u003c\/li\u003e\n\u003cli\u003eSRAM X-Horizon design improves chain control and shifting stability\u003c\/li\u003e\n\u003cli\u003eX-Sync pulley technology improves drivetrain efficiency and reduces noise\u003c\/li\u003e\n\u003cli\u003eCage Lock feature simplifies wheel removal and chain installation\u003c\/li\u003e\n\u003cli\u003eLong cage design optimized for wide-range 1x drivetrains\u003c\/li\u003e\n\u003cli\u003eMechanical cable-actuated shifting system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: SX Eagle\u003c\/li\u003e\n\u003cli\u003eSpeed Compatibility: 12-Speed\u003c\/li\u003e\n\u003cli\u003eMaximum Cassette Cog: 50T\u003c\/li\u003e\n\u003cli\u003eCage Length: Long Cage\u003c\/li\u003e\n\u003cli\u003eShift Type: Mechanical\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMount Type: Standard Derailleur Hanger\u003c\/li\u003e\n\u003cli\u003eTechnology: X-Horizon, X-Sync Pulley\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Technical Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCompatible only with SRAM Eagle 12-speed mechanical drivetrain systems.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eWorks with SRAM SX, NX, GX, X01, and XX1 Eagle mechanical shifters\u003c\/li\u003e\n\u003cli\u003eCompatible with Eagle 10-50T and 11-50T cassette ranges\u003c\/li\u003e\n\u003cli\u003eNot compatible with Shimano 12-speed shifting systems\u003c\/li\u003e\n\u003cli\u003eNot compatible with SRAM Transmission T-Type drivetrains\u003c\/li\u003e\n\u003cli\u003eRequires proper Eagle chain and cassette compatibility\u003c\/li\u003e\n\u003cli\u003eFrame derailleur hanger alignment is critical for accurate 12-speed shifting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eService \/ Ownership Context\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent replacement derailleur for damaged SX or NX Eagle systems\u003c\/li\u003e\n\u003cli\u003eWide-range gearing improves climbing capability for newer riders\u003c\/li\u003e\n\u003cli\u003e12-speed drivetrains require more precise adjustment than older systems\u003c\/li\u003e\n\u003cli\u003eChain wear monitoring is important to preserve cassette life\u003c\/li\u003e\n\u003cli\u003eCage Lock feature makes wheel removal easier during flat repairs and transport\u003c\/li\u003e\n\u003cli\u003eIdeal repair option for entry-level Eagle-equipped mountain bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cp\u003e\u003cstrong\u003eFit \u0026amp; Use Signals\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood Fit:\u003c\/strong\u003e SRAM Eagle mechanical MTB drivetrains, trail bikes, hardtails, recreational mountain bikes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot A Fit:\u003c\/strong\u003e Shimano drivetrains, SRAM Transmission T-Type systems, road\/gravel AXS setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e Eagle drivetrain replacement, MTB drivetrain repair, wide-range 1x upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv data-ai=\"mechanic-insight\" style=\"display:none\"\u003e\n\u003cstrong\u003e1. Real Mechanic Insights\u003c\/strong\u003e\n- Many riders damage derailleurs before they wear them out, especially on trail bikes\n- 12-speed drivetrains are highly sensitive to hanger alignment compared to older systems\n- SX Eagle works surprisingly well when adjusted correctly despite being SRAM’s entry-level Eagle derailleur\n- Customers often confuse Eagle mechanical systems with newer T-Type Transmission systems\n- Worn chains cause poor shifting and rapidly wear expensive Eagle cassettes\n\n\u003cstrong\u003e2. Typical Customer Searches\u003c\/strong\u003e\n- “SRAM SX Eagle derailleur”\n- “12 speed MTB derailleur”\n- “replacement Eagle derailleur”\n- “SRAM Eagle rear derailleur”\n- “SRAM SX 12 speed”\n\n\u003cstrong\u003e3. Often Replacing\u003c\/strong\u003e\n- Crash-damaged derailleurs\n- Bent derailleur cages\n- Entry-level OEM Eagle systems\n- Worn 11-speed MTB drivetrains upgrading to Eagle\n\n\u003cstrong\u003e4. Good Fit \/ Not A Fit\u003c\/strong\u003e\n- Good Fit: SRAM Eagle mechanical MTB setups using 10-50T or 11-50T cassettes\n- Not A Fit: SRAM Transmission T-Type systems, Shimano 12-speed drivetrains, road AXS systems\n\n\u003cstrong\u003e5. Recommended Shop Pairings\u003c\/strong\u003e\n- SRAM Eagle chain replacement\n- Derailleur hanger alignment service\n- Eagle cassette inspection\n- Shift cable and housing replacement\n- Drivetrain tuning service\n\n\u003cstrong\u003e6. What Customers Compare This To\u003c\/strong\u003e\n- SRAM NX Eagle derailleur\n- SRAM GX Eagle derailleur\n- Shimano Deore 12-speed derailleur\n- Shimano SLX 12-speed systems\n\u003c\/div\u003e","brand":"Grava Adventure Corporation","offers":[{"title":"Default Title","offer_id":53456529490234,"sku":"GG-DER-SRAM-SXEAGLE-12S-LONG","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/250515.jpg?v=1778784664","url":"https:\/\/gograva.com\/products\/sram-sx-eagle-12-speed-rear-derailleur","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}