
SRAM GX Eagle 12-Speed Chain Silver, 126 links
Replacement option
Velopedia Bicycle Archive
Original specifications: geometry for 4 published sizes.
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At a glance
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Colors can vary by market and components can be replaced. These are identification clues, not proof of the frame’s year.
| Frame Construction | FACT 11m Full Carbon, Progressive XC Race Geometry, Rider-First Engineered™, threaded BB, 12x148mm rear spacing, internal cable routing, 100mm of travel |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | RockShox SID SL BRAIN, Top-Adjust Brain damper, Debon Air, 15x110mm, 44mm offset, 100mm Travel |
| Rear Shock | RockShox-Specialized BRAIN, Rx XC Tune, 5 Position Platform Adjust, Rebound Adjust, Integraded Extension, 265x52.5mm |
| Shifters | SRAM Eagle AXS Rocker Paddle |
|---|---|
| Rear Derailleur | SRAM X01 Eagle AXS |
| Crankset | SRAM X1 Eagle Carbon, DUB, 165/170/175mm, 34t; chainrings: 34T |
| Bottom Bracket | SRAM DUB, BSA 73mm, Threaded |
| BB Shell Width | 73 mm |
| Cassette | SRAM XG-1295 Eagle, 10-52t |
| Chain | SRAX X01 Eagle, 12-speed |
| Brakes | (F) SRAM Level TLM, 2-piston caliper, hydraulic disc / (R) SRAM Level TLM, 2-piston caliper, hydraulic disc |
|---|
| Handlebar | S-Works Carbon XC Mini Rise, 6-degree upsweep, 8-degree backsweep, 10mm rise, 760mm, 31.8mm |
|---|---|
| Stem | Specialized Pro SL, alloy, 4-bolt |
| Saddle | Body Geometry Power Expert |
| Seatpost | Bike Yoke Divine SL, 80mm travel, 0mm offset, 30.9mm, 320/400mm length |
| 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, T5 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 | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 400 mm | 430 mm | 470 mm | 520 mm |
| Effective top tube | 563 mm | 598 mm | 626 mm | 656 mm |
| Head tube | 95 mm | 100 mm | 115 mm | 135 mm |
| Head-tube angle | 67.5° | 67.5° | 67.5° | 67.5° |
| Seat-tube angle | 75.8° | 75.5° | 75.5° | 75.5° |
| Chainstay / rear center | 433 mm | 433 mm | 433 mm | 433 mm |
| Wheelbase | 1116 mm | 1148 mm | 1179 mm | 1211 mm |
| Bottom-bracket drop | 48 mm | 48 mm | 48 mm | 48 mm |
| Bottom-bracket height | 324 mm | 324 mm | 324 mm | 324 mm |
| Reach | 415 mm | 445 mm | 470 mm | 495 mm |
| Stack | 586 mm | 591 mm | 605 mm | 623 mm |
| Standover height | 763 mm | 766 mm | 776 mm | 788 mm |
| Fork offset / rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Front center | 687 mm | 719 mm | 750 mm | 782 mm |
| Trail | 106 mm | 106 mm | 106 mm | 106 mm |
| Fork length / axle-to-crown | 505 mm | 505 mm | 505 mm | 505 mm |
Dimensions as recorded.
Original gearing is incomplete. Enter your setup to calculate ratios and cadence speeds.
Your changes apply to this calculation. The archived build stays unchanged.
| Measure | Original | Your setup |
|---|---|---|
| Lowest ratio | — | — |
| Highest ratio | — | — |
| Total range | — | — |
| Lowest-gear speed | — | — |
| Highest-gear speed | — | — |
Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.
Parts & serviceability
12-speed

Replacement option
10-52t

Control Casing, T5 Compound, 29x2.35

Replacement option
Control Casing, T5 Compound, 29x2.35

Replacement option
BSA 73mm, Threaded
Before ordering: Use the spacer setup for your crank.
Replacement option
DUB, 165/170/175mm, 34t; chainrings: 34T
alloy, 4-bolt
80mm travel, 0mm offset, 30.9mm, 320/400mm length
Carbon offset design, 29mm internal width, 4mm hook width, Tubeless ready, 28h
Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.
Start with the original build, then check what is fitted to your bike today.
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: 2022 Specialized Epic Pro · Mountain · Published sizes: S, M, L, XL
Archived: Frame: FACT 11m Full Carbon, Progressive XC Race Geometry, Rider-First Engineered™, threaded BB, 12x148mm rear spacing, internal cable routing, 100mm of travel · Fork: RockShox SID SL BRAIN, Top-Adjust Brain damper, Debon Air, 15x110mm, 44mm offset, 100mm Travel
Archived: Fork: RockShox SID SL BRAIN, Top-Adjust Brain damper, Debon Air, 15x110mm, 44mm offset, 100mm Travel · Rear shock: RockShox-Specialized BRAIN, Rx XC Tune, 5 Position Platform Adjust, Rebound Adjust, Integraded Extension, 265x52.5mm
Archived: Shifters: SRAM Eagle AXS Rocker Paddle · Rear derailleur: SRAM X01 Eagle AXS · Crankset: SRAM X1 Eagle Carbon, DUB, 165/170/175mm, 34t; chainrings: 34T · Bottom bracket: SRAM DUB, BSA 73mm, Threaded · Cassette: SRAM XG-1295 Eagle, 10-52t · Chain: SRAX X01 Eagle, 12-speed
Archived: Brakes: (F) SRAM Level TLM, 2-piston caliper, hydraulic disc / (R) SRAM Level TLM, 2-piston caliper, hydraulic disc
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, T5 Compound, 29x2.35 · Rear tire: Specialized Renegade, Control Casing, T5 Compound, 29x2.35
Archived: Handlebar: S-Works Carbon XC Mini Rise, 6-degree upsweep, 8-degree backsweep, 10mm rise, 760mm, 31.8mm · Stem: Specialized Pro SL, alloy, 4-bolt · Seatpost: Bike Yoke Divine SL, 80mm travel, 0mm offset, 30.9mm, 320/400mm length · Saddle: Body Geometry Power Expert
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.