
SRAM GX Eagle Transmission 12-Speed Chain Silver, 126 link
126 link
Velopedia Bicycle Archive
Original specifications: 11.10kg (24 lb, 7.5 oz) published weight · geometry for 5 published sizes.
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At a glance
| Frame Construction | FACT 11m Carbon, Progressive XC Race Geometry, Rider-First Engineered™, SWAT downtube storage, threaded BB, 12x148mm UDH compatible rear dropout, internal cable routing, 120mm of travel |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | RockShox SID Select+, Ride Dynamics developed 3 position, TwistLoc remote adjust, Debon Air, 15x110mm, 44mm offset, 120mm Travel |
| Rear Shock | RockShox SIDLuxe Select+, Ride Dynamics developed 3 position, TwistLoc remote adjust, Solo Air, 190x45mm |
| Shifters | SRAM AXS POD Controller |
|---|---|
| Rear Derailleur | SRAM GX Eagle AXS Transmission |
| Crankset | SRAM GX Eagle, DUB, 165/170/175mm; chainrings: Steel, 34T |
| Bottom Bracket | SRAM DUB Threaded Wide |
| Cassette | SRAM XS 1275, 12-speed, 10-52t |
| Chain | SRAM GX Eagle T-Type chain |
| Brakes | (F) SRAM Level Bronze Stealth, 4-piston caliper, hydraulic disc, 180mm rotor / (R) SRAM Level Bronze Stealth, 4-piston caliper, hydraulic disc, 160mm rotor |
|---|
| Handlebar | Specialized Alloy Minirise, 10mm rise, 750mm, 31.8mm clamp |
|---|---|
| Stem | Specialized XC, 3D-forged alloy, 4-bolt, 6-degree rise |
| Saddle | Body Geometry Power Sport, steel rails |
| Seatpost | X-Fusion Manic, 30.9, 100/125/150/170mm travel |
| Hubs | (F) DT Swiss 350, 6-bolt, 15mm Thru-axle, 110mm spacing, 28h straight -pull / (R) DT Swiss 350 straight-pull, 6-bolt, DT Swiss Ratchet, 12x148mm thru axle, XD freehub body, 28h straight-pull |
|---|---|
| Rims | Roval Control, Carbon offset design, 29mm internal width, 4mm hook width, Tubeless ready, 28h |
| Spokes | DT Swiss Comp Race |
| Front Tire | Specialized Fast Trak, Control Casing, T7 Compound, 29x2.35 |
| Rear Tire | Specialized Renegade, Control Casing, T5 Compound, 29x2.35 |
Frame measurements by size.
Frame diagram
Select an available measurement to locate it on the frame.
| Measurement | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Seat tube | 370 mm | 390 mm | 410 mm | 450 mm | 500 mm |
| Effective top tube | 535 mm | 569 mm | 605 mm | 633 mm | 662 mm |
| Head tube | 92 mm | 92 mm | 95 mm | 110 mm | 130 mm |
| Head-tube angle | 66.4° | 66.4° | 66.4° | 66.4° | 66.4° |
| Seat-tube angle | 76.5° | 76° | 75.5° | 75.5° | 75.5° |
| Chainstay / rear center | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1117 mm | 1147 mm | 1179 mm | 1210 mm | 1243 mm |
| Bottom-bracket drop | 52 mm | 46 mm | 44 mm | 42 mm | 42 mm |
| Bottom-bracket height | 318 mm | 324 mm | 326 mm | 328 mm | 328 mm |
| Reach | 390 mm | 420 mm | 450 mm | 475 mm | 500 mm |
| Stack | 603 mm | 597 mm | 598 mm | 610 mm | 628 mm |
| Standover height | 748 mm | 755 mm | 760 mm | 769 mm | 774 mm |
| Fork offset / rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Front center | 687 mm | 716 mm | 747 mm | 778 mm | 811 mm |
| Trail | 117 mm | 117 mm | 117 mm | 117 mm | 117 mm |
| Fork length / axle-to-crown | 530 mm | 530 mm | 530 mm | 530 mm | 530 mm |
| Seatpost length | 100 mm | 125 mm | 125 mm | 150 mm | 170 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 175 mm | 175 mm |
| Stem length | 60 mm | 60 mm | 60 mm | 60 mm | 60 mm |
| Handlebar width | 750 mm | 750 mm | 750 mm | 750 mm | 750 mm |
Dimensions as recorded.
Parts & serviceability

126 link

29x2.35
Replacement option · verify fit

52T Max
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Archived: 2024 Specialized Epic 8 Expert · Mountain · Published sizes: XS, S, M, L, XL
Archived: Frame: FACT 11m Carbon, Progressive XC Race Geometry, Rider-First Engineered™, SWAT downtube storage, threaded BB, 12x148mm UDH compatible rear dropout, internal cable routing, 120mm of travel · Fork: RockShox SID Select+, Ride Dynamics developed 3 position, TwistLoc remote adjust, Debon Air, 15x110mm, 44mm offset, 120mm Travel
Archived: Fork: RockShox SID Select+, Ride Dynamics developed 3 position, TwistLoc remote adjust, Debon Air, 15x110mm, 44mm offset, 120mm Travel · Rear shock: RockShox SIDLuxe Select+, Ride Dynamics developed 3 position, TwistLoc remote adjust, Solo Air, 190x45mm
Archived: Shifters: SRAM AXS POD Controller · Rear derailleur: SRAM GX Eagle AXS Transmission · Crankset: SRAM GX Eagle, DUB, 165/170/175mm; chainrings: Steel, 34T · Bottom bracket: SRAM DUB Threaded Wide · Cassette: SRAM XS 1275, 12-speed, 10-52t · Chain: SRAM GX Eagle T-Type chain
Archived: Brakes: (F) SRAM Level Bronze Stealth, 4-piston caliper, hydraulic disc, 180mm rotor / (R) SRAM Level Bronze Stealth, 4-piston caliper, hydraulic disc, 160mm rotor
Archived: Rims: Roval Control, Carbon offset design, 29mm internal width, 4mm hook width, Tubeless ready, 28h · Hubs: (F) DT Swiss 350, 6-bolt, 15mm Thru-axle, 110mm spacing, 28h straight -pull / (R) DT Swiss 350 straight-pull, 6-bolt, DT Swiss Ratchet, 12x148mm thru axle, XD freehub body, 28h straight-pull · Front tire: Specialized Fast Trak, Control Casing, T7 Compound, 29x2.35 · Rear tire: Specialized Renegade, Control Casing, T5 Compound, 29x2.35
Archived: Handlebar: Specialized Alloy Minirise, 10mm rise, 750mm, 31.8mm clamp · Stem: Specialized XC, 3D-forged alloy, 4-bolt, 6-degree rise · Seatpost: X-Fusion Manic, 30.9, 100/125/150/170mm travel · Saddle: Body Geometry Power Sport, steel rails
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.