Rear tire: 29×2.1.
Velopedia Bicycle Archive
2018 Specialized S-Works Epic Hardtail XX1 Eagle
Original specifications: geometry for 4 published sizes.
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At a glance
- Model year
- 2018
- Category
- Mountain
- Original MSRP
- $8,500.00
- Sizes
- S, M, L, XL
- Colors
- Satin Gloss Black/Metallic White Silver, Satin Gloss Chameleon/Rocket Red/Black
- Geometry
- 4 manufacturer sizes
- In this record
- 21 specifications · 2 archived images · original MSRP · geometry
- Archive ID
- 900003331
Original buildCarbon Fiber
Frameset
| Frame Construction | S-Works FACT 12m, full carbon frame w/ S-Works layup, XC Geometry, internal split-housing cable routing, PF30 BB, 12x148mm rear end, triangulated post-mount 160mm brake |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | Custom RockShox SID World Cup w/ Brain, top-mount Brain Fade adjust, rebound adjust, Solo Air spring, tapered carbon crown/steerer, 15x110mm Maxle Stealth thru-axle, 90/100mm of travel, 51mm offset |
| Fork Material | Carbon Fiber |
Drivetrain
| Shifters | SRAM XX1 Eagle, trigger, 12-speed |
|---|---|
| Rear Derailleur | SRAM XX1 Eagle™, 12-speed |
| Crankset | SRAM XX1 Eagle, 175/170mm crankarm, 30mm spindle; chainrings: SRAM Eagle™, alloy, 32T |
| Bottom Bracket | SRAM PF30 |
| Cassette | SRAM X01 Eagle, 12-speed, 10-50t |
| Chain | SRAM X01 Eagle, 12-speed w/ PowerLock |
| Pedals | Specialized Dirt |
Brakes
| Brakes | (F) SRAM Level Ultimate, hydraulic disc, carbon lever, titanium hardware, organic pads, 160/180mm rotor / (R) SRAM Level Ultimate, hydraulic disc, carbon lever, titanium hardware, organic pads, 160mm rotor |
|---|
Cockpit & Contact Points
| Handlebar | S-Works Carbon Mini Rise, 6-degree upsweep, 8-degree backsweep, 10mm rise, 720mm, 31.8mm |
|---|---|
| Stem | S-Works SL, alloy, titanium bolts, 6-degree rise |
| Saddle | Body Geometry S-Works Phenom, carbon rails, 143mm |
| Seatpost | S-Works FACT carbon, 27.2mm, 0mm setback, carbon rail clamps |
Wheels & Tires
| Hubs | (F) Roval Control SL, sealed cartridge bearings, 15mm thru-axle, 110mm spacing, 24h / (R) Roval Control SL, DT Swiss Star Ratchet, 54t engagement, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h |
|---|---|
| Rims | Roval Control SL, hookless carbon, 25mm internal width, tubeless-ready, hand-built |
| Spokes | DT Swiss Competition Race |
| Front Tire | Fast Trak, GRIPTON compound, 2Bliss Ready, 29 x 2.3", |
| Rear Tire | Fast Trak, GRIPTON compound, 2Bliss Ready, 29 x 2.1" |
Geometry
Frame measurements by size.
Frame diagram
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 20 measurements
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 400 mm | 430 mm | 470 mm | 520 mm |
| Effective top tube | 568 mm | 595 mm | 623 mm | 649 mm |
| Head tube | 95 mm | 95 mm | 110 mm | 125 mm |
| Head-tube angle | 69.8° | 69.8° | 69.8° | 69.8° |
| Seat-tube angle | 74° | 74° | 74° | 74° |
| Chainstay / rear center | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1073 mm | 1099 mm | 1128 mm | 1154 mm |
| Bottom-bracket drop | 61 mm | 61 mm | 61 mm | 61 mm |
| Bottom-bracket height | 309 mm | 309 mm | 309 mm | 309 mm |
| Reach | 395 mm | 418 mm | 441 mm | 462 mm |
| Stack | 599 mm | 608 mm | 622 mm | 637 mm |
| Standover height | 760 mm | 790 mm | 814 mm | 845 mm |
| Fork offset / rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Front center | 650 mm | 676 mm | 705 mm | 731 mm |
| Trail | 82 mm | 82 mm | 82 mm | 82 mm |
| Fork length / axle-to-crown | 496 mm | 506 mm | 506 mm | 506 mm |
| Seatpost length | 350 mm | 400 mm | 400 mm | 400 mm |
| Crank length | 170 mm | 175 mm | 175 mm | 175 mm |
| Stem length | 70 mm | 90 mm | 100 mm | 110 mm |
| Handlebar width | 720 mm | 720 mm | 720 mm | 720 mm |
Dimensions as recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Parts & serviceability
Find replacement parts

SRAM XX1 Eagle 12-Speed Chain Copper, 126 links
126 links
Replacement option · verify fit
More parts (6)
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.
Bike-specific inspection checklist 21 checks based on 6 archived component groups Open checklistClose checklist
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 2018 Specialized S-Works Epic Hardtail XX1 Eagle · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: S-Works FACT 12m, full carbon frame w/ S-Works layup, XC Geometry, internal split-housing cable routing, PF30 BB, 12x148mm rear end, triangulated post-mount 160mm brake · Fork: Custom RockShox SID World Cup w/ Brain, top-mount Brain Fade adjust, rebound adjust, Solo Air spring, tapered carbon crown/steerer, 15x110mm Maxle Stealth thru-axle, 90/100mm of travel, 51mm offset · Carbon Fiber
Suspension
Evaluate the suspension →Archived: Fork: Custom RockShox SID World Cup w/ Brain, top-mount Brain Fade adjust, rebound adjust, Solo Air spring, tapered carbon crown/steerer, 15x110mm Maxle Stealth thru-axle, 90/100mm of travel, 51mm offset
Drivetrain
Check drivetrain wear →Archived: Shifters: SRAM XX1 Eagle, trigger, 12-speed · Rear derailleur: SRAM XX1 Eagle™, 12-speed · Crankset: SRAM XX1 Eagle, 175/170mm crankarm, 30mm spindle; chainrings: SRAM Eagle™, alloy, 32T · Bottom bracket: SRAM PF30 · Cassette: SRAM X01 Eagle, 12-speed, 10-50t · Chain: SRAM X01 Eagle, 12-speed w/ PowerLock
Brakes
Inspect the brakes →Archived: Brakes: (F) SRAM Level Ultimate, hydraulic disc, carbon lever, titanium hardware, organic pads, 160/180mm rotor / (R) SRAM Level Ultimate, hydraulic disc, carbon lever, titanium hardware, organic pads, 160mm rotor
Wheels and tires
Check wheels and tires →Archived: Rims: Roval Control SL, hookless carbon, 25mm internal width, tubeless-ready, hand-built · Front tire: Fast Trak, GRIPTON compound, 2Bliss Ready, 29 x 2.3", · Rear tire: Fast Trak, GRIPTON compound, 2Bliss Ready, 29 x 2.1"
Controls and contact points
Archived: Handlebar: S-Works Carbon Mini Rise, 6-degree upsweep, 8-degree backsweep, 10mm rise, 720mm, 31.8mm · Stem: S-Works SL, alloy, titanium bolts, 6-degree rise · Seatpost: S-Works FACT carbon, 27.2mm, 0mm setback, carbon rail clamps · Saddle: Body Geometry S-Works Phenom, carbon rails, 143mm · Pedals: Specialized Dirt
Before and during the test ride
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Gallery2 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.