Specialized Epic 8 Expert Di2 2026
Bike details
Key information split into simple groups.
Bike summary
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-
Frame Carbon
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Travel Front 120mm
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Travel Rear 120mm
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Fork RockShox SID Select+
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Groupset XT Di2
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Suspension Full
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Drivetrain 1 × 12 Electronic
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Brakes Shimano XT Hydraulic Disc
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Main components, grouped by system.
Bike components
Frame
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
Suspension 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
Drivetrain
Rear Derailleur
Shimano XT Di2, 12-speed
Shift Levers
Shimano XT Di2
Cassette
Shimano XT M8200, 12-speed, 10-51
Crank
Shimano XT 8200, 34t, XS:165mm, S-M:170mm, L-XL:175mm, 32T
Bottom Bracket
Shimano, BB-MT801, Threaded
Chain
Shimano XT
Wheels
Rims
Front: Roval Control SL V, Hookless carbon, 29mm inner width, tubeless ready, DT Swiss 370 hub, Sapim D-Light Straight Pull, 6 bolt, Rear: Roval Control SL V, Hookless carbon, 29mm inner width, tubeless ready, DT Swiss 370 hub, Sapim D-Light Straight Pull, 6 bolt
Tires
Front: Specialized Fast Trak, Flex Lite Casing, T5/T7 Compound, TLR, 29x2.35, Rear: Specialized Fast Trak, Flex Lite Casing, T5/T7 Compound, TLR, 29x2.35
Brakes
Brakes
Front: Shimano XT 8200, 4-piston caliper, hydraulic disc, 180mm rotor, Rear: Shimano XT 8200, 4-piston caliper, hydraulic disc, 180mm rotor
Cockpit
Stem
Specialized XC, 3D-forged alloy, 4-bolt, 6-degree rise
Handlebar
Specialized Alloy Minirise, 10mm rise, 750mm, 31.8mm clamp
Grips
SRAM Slip on with Twist-Loc
Seat
Saddle
Body Geometry Power Comp, steel rails
Seatpost
X-Fusion Manic, 30.9, XS: 100mm, SM: 125mm, M-L: 150mm, XL: 170mm Travel, 0mm offset
Fit data
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.546 mm | 1.421 mm | 1.329 mm | 1.284 mm | 1.256 mm |
| Bottom Bracket Height | 318 mm | 324 mm | 326 mm | 328 mm | 328 mm |
| Front Center | 687 mm | 716 mm | 747 mm | 778 mm | 811 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 117 mm | 117 mm | 117 mm | 117 mm | 117 mm |
| Stack | 603 mm | 597 mm | 598 mm | 610 mm | 628 mm |
| Reach | 390 mm | 420 mm | 450 mm | 475 mm | 500 mm |
| Top Tube Length | 535 mm | 569 mm | 605 mm | 633 mm | 662 mm |
| Seat Tube Angle | 76.5 ° | 76 ° | 75.5 ° | 75.5 ° | 75.5 ° |
| Seat Tube Length | 370 mm | 390 mm | 410 mm | 450 mm | 500 mm |
| Head Tube Angle | 65.9 ° | 65.9 ° | 65.9 ° | 65.9 ° | 65.9 ° |
| Head Tube Length | 92 mm | 92 mm | 95 mm | 110 mm | 130 mm |
| Chainstay Length | 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 |
| Standover Height | 748 mm | 755 mm | 760 mm | 769 mm | 774 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
