{"product_id":"sram-nx-eagle-boost-groupset-12-speed-170mm-32t-hg-black","title":"SRAM NX Eagle Boost Groupset — 12-Speed \/ 170mm \/ 32T \/ HG (Black)","description":"\u003cp\u003eThe SRAM NX Eagle Boost groupset is a complete 12-speed mechanical drivetrain built for modern Boost-spaced mountain bikes using standard HG freehub bodies. It delivers Eagle’s wide gear range and simple cable-actuated shifting in a package that’s durable, serviceable, and compatible with many existing wheelsets.\u003c\/p\u003e \u003cp\u003eThis kit is ideal for riders upgrading from 10- or 11-speed drivetrains or replacing worn components while keeping HG wheels in service.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Functional Details\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e12-speed Eagle drivetrain with wide 11–50T cassette range\u003c\/li\u003e \u003cli\u003eDUB crankset, 170mm arms with direct-mount 32T X-SYNC chainring\u003c\/li\u003e \u003cli\u003e52mm Boost chainline for 148mm rear spacing\u003c\/li\u003e \u003cli\u003eNX Eagle rear derailleur\u003c\/li\u003e \u003cli\u003eNX Eagle trigger shifter with clamp\u003c\/li\u003e \u003cli\u003eNX Eagle 12-speed chain (126 links)\u003c\/li\u003e \u003cli\u003ePG-1230 cassette (11–50T) fits standard HG freehub bodies\u003c\/li\u003e \u003cli\u003eIncludes chain gap gauge\u003c\/li\u003e \u003cli\u003eColor: Black\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Technical Notes\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSpeed: 12\u003c\/li\u003e \u003cli\u003eRear spacing: Boost 148mm\u003c\/li\u003e \u003cli\u003eChainline: 52mm\u003c\/li\u003e \u003cli\u003eCrank length: 170mm\u003c\/li\u003e \u003cli\u003eChainring: 32T direct mount\u003c\/li\u003e \u003cli\u003eFreehub requirement: Shimano HG (8–11 speed style)\u003c\/li\u003e \u003cli\u003eCassette range: 11–50T\u003c\/li\u003e \u003cli\u003eBottom bracket: NOT included (requires SRAM DUB BB matched to your frame)\u003c\/li\u003e \u003cli\u003eMechanical shifting only (not electronic)\u003c\/li\u003e \u003cli\u003eNot compatible with non-Boost frames\u003c\/li\u003e \u003cli\u003eNot compatible with XD\/XDR or Microspline freehubs\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eService \/ Ownership Context\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThis groupset installs like any modern 1x drivetrain and benefits from proper derailleur setup and chain gap adjustment. Cable tension will settle after initial rides and should be rechecked. DUB bottom bracket selection depends on your frame standard and must be sourced separately.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFit \u0026amp; Use Signals\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGood fit for Boost-spaced mountain bikes (148mm rear)\u003c\/li\u003e \u003cli\u003eGood fit if you want 12-speed range while keeping HG wheels\u003c\/li\u003e \u003cli\u003eGood fit for trail and XC riders upgrading from 10\/11-speed\u003c\/li\u003e \u003cli\u003eNot a fit for non-Boost frames\u003c\/li\u003e \u003cli\u003eNot a fit if your wheels use XD\/XDR or Microspline\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv data-ai=\"mechanic-insight\" style=\"display:none\"\u003e NX Eagle is what we install when someone wants Eagle range but doesn’t want to replace wheels.\nBig advantage: PG-1230 cassette fits HG hubs. That saves customers money compared to GX\/X01 where XD is required.\nThis is heavier than GX and shifts a little slower under load, but it’s durable and forgiving. For most trail riders, the performance difference is small.\nCommon customer misunderstandings:\nThey think bottom bracket is included (it’s not).\nThey assume it fits non-Boost bikes (it doesn’t).\nThey think any 12-speed chain works (Eagle chains matter).\nInstall notes:\nChain gap setup is important on NX. Use the gauge.\nCable stretch after first few rides is normal — expect a follow-up adjustment.\nDUB BB must match frame (BSA, PF92, etc).\nReal-world durability:\nDerailleurs hold up well.\nShifters are basic but reliable.\nPG-1230 cassette is heavier steel, lasts longer than GX aluminum clusters.\nUpgrade path we usually explain:\nGX derailleur later for crisper shifting\nLighter cassette if rider wants weight savings\nBetter chainring when stock wears\nThis is not race-lightweight. It’s trail-proof.\nWe recommend NX Eagle for riders who:\nAre upgrading older bikes\nWant wide range without wheel changes\nRide hard but don’t chase grams\nNot ideal for:\nWeight-focused builds\nRiders wanting top-tier shifting feel\nIt’s practical Eagle. That’s the appeal.\n\u003c\/div\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":53004047941946,"sku":"SRAM-NX-EAGLE-BOOST-170-32","price":445.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/gs79503a.jpg?v=1770838053","url":"https:\/\/gograva.com\/products\/sram-nx-eagle-boost-groupset-12-speed-170mm-32t-hg-black","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}