
SRAM XX1 Eagle 12-Speed Chain Copper, 126 links
126 links
Replacement option · verify fit
Velopedia Bicycle Archive
Original specifications: 12.61kg (27 lb, 12.8 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 | Fox 34 Performance, Grip Damper, Compression adjust, 130mm travel, 44mm offset, 15x110mm |
| Rear Shock | Fox Float Performance, Evol LV, Ride Dynamics Tuned, 2-position compression adjust, 190x45mm |
| Shifters | SRAM GX, trigger, 12-speed |
|---|---|
| Rear Derailleur | SRAM GX Eagle, 12-speed |
| Crankset | SRAM X1000 Eagle, DUB, 165/170/175mm 32T; chainrings: Steel 32T |
| Bottom Bracket | SRAM DUB, BSA 73mm, Threaded |
| BB Shell Width | 73 mm |
| Cassette | SRAM XG-1275, 12-speed, 10-52t |
| Chain | SRAM NX Eagle, 12-speed |
| Brakes | (F) SRAM Code Bronze Stealth, 4-piston caliper, hydraulic disc, 180/200mm rotor / (R) SRAM Code Bronze Stealth, 4-piston caliper, hydraulic disc, 180mm rotor |
|---|
| Handlebar | Specialized Alloy, 20mm rise, 35mm, 760mm wide |
|---|---|
| Stem | Alloy Stem, 35mm clamp, 50mm |
| Saddle | Body Geometry Power Sport, steel rails |
| Seatpost | X-Fusion Manic, 30.9, 125/150/170 Travel, 0mm offset |
| Hubs | (F) Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h / (R) Alloy, sealed cartridge bearings, 148mmx12mm thru-axle, 28h |
|---|---|
| Rims | Specialized Alloy 29, 27mm internal width, tubeless |
| Spokes | DT Swiss Industry |
| Front Tire | Specialized Purgatory, GRID Casing, T9 Compound, 29x2.4 |
| Rear Tire | Specialized Ground Control, GRID Casing, T7 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 | 65.4° | 65.4° | 65.4° | 65.4° | 65.4° |
| Seat-tube angle | 76° | 75.5° | 75° | 75° | 75° |
| Chainstay / rear center | 435 mm | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1121 mm | 1151 mm | 1183 mm | 1214 mm | 1247 mm |
| Bottom-bracket drop | 49 mm | 43 mm | 41 mm | 39 mm | 39 mm |
| Bottom-bracket height | 322 mm | 327 mm | 329 mm | 331 mm | 331 mm |
| Reach | 385 mm | 415 mm | 445 mm | 470 mm | 495 mm |
| Stack | 606 mm | 600 mm | 601 mm | 613 mm | 632 mm |
| Standover height | 754 mm | 761 mm | 766 mm | 775 mm | 779 mm |
| Fork offset / rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Front center | 690 mm | 720 mm | 751 mm | 782 mm | 815 mm |
| Trail | 120 mm | 120 mm | 120 mm | 120 mm | 120 mm |
| Fork length / axle-to-crown | 540 mm | 540 mm | 540 mm | 540 mm | 540 mm |
| Seatpost length | 125 mm | 125 mm | 150 mm | 170 mm | 170 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 175 mm | 175 mm |
| Stem length | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Handlebar width | 760 mm | 760 mm | 760 mm | 760 mm | 760 mm |
Dimensions as recorded.
Parts & serviceability

126 links
Replacement option · verify fit

29x2.4
Replacement option · verify fit

29x2.4
Replacement option · verify fit

29x2.35
Replacement option · verify fit

Sram DUB MTB
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 EVO Comp · 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: Fox 34 Performance, Grip Damper, Compression adjust, 130mm travel, 44mm offset, 15x110mm
Archived: Fork: Fox 34 Performance, Grip Damper, Compression adjust, 130mm travel, 44mm offset, 15x110mm · Rear shock: Fox Float Performance, Evol LV, Ride Dynamics Tuned, 2-position compression adjust, 190x45mm
Archived: Shifters: SRAM GX, trigger, 12-speed · Rear derailleur: SRAM GX Eagle, 12-speed · Crankset: SRAM X1000 Eagle, DUB, 165/170/175mm 32T; chainrings: Steel 32T · Bottom bracket: SRAM DUB, BSA 73mm, Threaded · Cassette: SRAM XG-1275, 12-speed, 10-52t · Chain: SRAM NX Eagle, 12-speed
Archived: Brakes: (F) SRAM Code Bronze Stealth, 4-piston caliper, hydraulic disc, 180/200mm rotor / (R) SRAM Code Bronze Stealth, 4-piston caliper, hydraulic disc, 180mm rotor
Archived: Rims: Specialized Alloy 29, 27mm internal width, tubeless · Hubs: (F) Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h / (R) Alloy, sealed cartridge bearings, 148mmx12mm thru-axle, 28h · Front tire: Specialized Purgatory, GRID Casing, T9 Compound, 29x2.4 · Rear tire: Specialized Ground Control, GRID Casing, T7 Compound, 29x2.35
Archived: Handlebar: Specialized Alloy, 20mm rise, 35mm, 760mm wide · Stem: Alloy Stem, 35mm clamp, 50mm · Seatpost: X-Fusion Manic, 30.9, 125/150/170 Travel, 0mm offset · 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.