
SRAM XX1 Eagle 12-Speed Chain Copper, 126 links
126 links
Replacement option · verify fit
Velopedia Bicycle Archive
Original specifications: geometry for 5 published sizes.
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At a glance
| Frame Construction | Specialized FACT 11m, Progressive XC Geometry, Rider-First Engineered™, threaded BB, 12x148mm rear spacing, internal cable routing |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | RockShox Judy Gold 29, Motion Control damper, 42mm offset, 15x110mm thru-axle, 100mm of travel |
| Shifters | SRAM SX Eagle, trigger, 12-speed |
|---|---|
| Rear Derailleur | SRAM NX Eagle, 12-speed |
| Crankset | SRAM X1000 Eagle, DUB, 170/175mm 32T; chainrings: 32T |
| Bottom Bracket | SRAM DUB, BSA 73mm, threaded |
| BB Shell Width | 73 mm |
| Cassette | SRAM PG-1210 Eagle, 11-50t |
| Chain | SRAM SX Eagle, 12-speed |
| Brakes | (F) Shimano MT-501, hydraulic disc, resin pad / (R) Shimano MT-501, hydraulic disc, resin pad |
|---|
| Handlebar | Specialized Alloy Minirise, 6.5mm rise, 750mm, 31.8mm clamp |
|---|---|
| Stem | Specialized XC, 3D-forged alloy, 4-bolt, 6-degree rise |
| Saddle | Body Geometry Power Sport, steel rails |
| Seatpost | Specialized Alloy, Single Bolt, 30.9mm |
| Hubs | (F) Specialized, sealed cartridge bearings, 15x110mm thru-axle, 28h / (R) Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h |
|---|---|
| Rims | Stout XC 29, 25mm internal width, disc-specific |
| Spokes | DT Swiss Industry |
| Front Tire | Fast Trak, Control casing, GRIPTON® compound, 60 TPI, 2Bliss Ready, 29x2.3" |
| Rear Tire | Fast Trak, Control casing, GRIPTON® compound, 60 TPI, 2Bliss Ready, 29x2.3" |
Frame measurements by size.
Frame diagram
Select an available measurement to locate it on the frame.
| Measurement | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Seat tube | 367 mm | 400 mm | 430 mm | 470 mm | 520 mm |
| Effective top tube | 555 mm | 579 mm | 604 mm | 633 mm | 662 mm |
| Head tube | 95 mm | 95 mm | 95 mm | 110 mm | 125 mm |
| Head-tube angle | 68.5° | 68.5° | 68.5° | 68.5° | 68.5° |
| Seat-tube angle | 74° | 74° | 74° | 74° | 74° |
| Chainstay / rear center | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1063 mm | 1091 mm | 1116 mm | 1147 mm | 1177 mm |
| Bottom-bracket drop | 63 mm | 63 mm | 63 mm | 63 mm | 63 mm |
| Bottom-bracket height | 309 mm | 309 mm | 309 mm | 309 mm | 309 mm |
| Reach | 385 mm | 405 mm | 430 mm | 455 mm | 480 mm |
| Stack | 594 mm | 608 mm | 608 mm | 622 mm | 636 mm |
| Standover height | 732 mm | 762 mm | 792 mm | 816 mm | 847 mm |
| Fork offset / rake | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm |
| Front center | 642 mm | 669 mm | 694 mm | 724 mm | 754 mm |
| Trail | 100 mm | 100 mm | 100 mm | 100 mm | 100 mm |
| Fork length / axle-to-crown | 486 mm | 506 mm | 506 mm | 506 mm | 506 mm |
| Seatpost length | 350 mm | 350 mm | 400 mm | 400 mm | 400 mm |
| Crank length | 165 mm | 170 mm | 175 mm | 175 mm | 175 mm |
| Stem length | 60 mm | 60 mm | 70 mm | 70 mm | 70 mm |
| Handlebar width | 750 mm | 750 mm | 750 mm | 750 mm | 750 mm |
Dimensions as recorded.
Parts & serviceability

126 links
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: 2020 Specialized Epic Hardtail · Mountain · Published sizes: XS, S, M, L, XL
Archived: Frame: Specialized FACT 11m, Progressive XC Geometry, Rider-First Engineered™, threaded BB, 12x148mm rear spacing, internal cable routing · Fork: RockShox Judy Gold 29, Motion Control damper, 42mm offset, 15x110mm thru-axle, 100mm of travel
Archived: Fork: RockShox Judy Gold 29, Motion Control damper, 42mm offset, 15x110mm thru-axle, 100mm of travel
Archived: Shifters: SRAM SX Eagle, trigger, 12-speed · Rear derailleur: SRAM NX Eagle, 12-speed · Crankset: SRAM X1000 Eagle, DUB, 170/175mm 32T; chainrings: 32T · Bottom bracket: SRAM DUB, BSA 73mm, threaded · Cassette: SRAM PG-1210 Eagle, 11-50t · Chain: SRAM SX Eagle, 12-speed
Archived: Brakes: (F) Shimano MT-501, hydraulic disc, resin pad / (R) Shimano MT-501, hydraulic disc, resin pad
Archived: Rims: Stout XC 29, 25mm internal width, disc-specific · Hubs: (F) Specialized, sealed cartridge bearings, 15x110mm thru-axle, 28h / (R) Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h · Front tire: Fast Trak, Control casing, GRIPTON® compound, 60 TPI, 2Bliss Ready, 29x2.3" · Rear tire: Fast Trak, Control casing, GRIPTON® compound, 60 TPI, 2Bliss Ready, 29x2.3"
Archived: Handlebar: Specialized Alloy Minirise, 6.5mm rise, 750mm, 31.8mm clamp · Stem: Specialized XC, 3D-forged alloy, 4-bolt, 6-degree rise · Seatpost: Specialized Alloy, Single Bolt, 30.9mm · 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.