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Good luck finding a better high-performance carbon-framed DH rig than the Demo 8 I Carbon. With 200mm of front and rear travel, a custom Fox Van RC4 shock, and a RockShox Boxxer RC fork, this machine is one well-thought-out downhill setup.

  • Custom-tuned FOX Van RC4 coil shock is designed for high-speed downhill terrain, and features easily adjustable rebound, bottom-out control, high-and-low speed compression and preload
  • All-new, Demo 8 FACT 10m carbon frame features 200mm of rear wheel travel, alloy link, rear derailleur protector, downtube protector, and suspension engineered for the world’s toughest terrain
  • Roval DH rims are 30mm wide, laced with DT Swiss spokes to Specialized hubs with a 20mm front thru-axle and 150x12mm rear thru-axle hub creates a reliable, and super strong wheelset that easily handles the biggest hits
  • Specialized Butcher DH 26 x 2.3″ soft dual compound front and rear tyres offer great traction with Monster Team approved tread, and a bombproof casing
  • Custom Truvativ Descendant crankset with alloy arms, 36T chainring and Gamut bashguard is built for speed and chain retention; works with SRAM X9 Type 2 10-speed rear derailleur for crisp shifts
  • RockShox Boxxer RC offers 200mm of travel with externally adjustable compression and rebound, and a 20mm Maxle thru-axle
  • The alloy Bennie DH race pedal features a low profile for clearance, sealed cartridge bearings and removable 4.5mm grub pins
  • Specialized DH low-rise handlebar is 750mm-wide and ideal for navigating technical terrain
  • All-new Sip Grip, a lock-on, Aramid infused, half-waffle MTB grip boosts durability, comfort and control

Technical Specifications

FRAME FACT 10m front triangle, bonded alloy-insert BB and HT, 150mm spacing M5 rear triangle, compact race design, ISCG 05 mount, cartridge bearing rear shock mount, rear derailleur protector, 200mm travel
REAR SHOCK Custom FOX Van RC4, coil over w/piggy back, compression and rebound adj., 9.5×3″, S:350, M:400, L:450
FORK RockShox Boxxer RC, alloy steerer, external compression and rebound adj., 20mm Maxle DH thru-axle, XS/S: extra-soft spring, M: soft spring, L: medium spring, 200mm travel
HEADSET 1-1/2″ integrated for 1-1/8″ steerer, cartridge bearings
STEM Specialized Direct Mount stem, 6061 alloy, 31.8mm clamp, 4-bolt
HANDLEBARS Specialized Demo low-rise bar, 7050 alloy, 750mm wide, 8-degree backsweep, 6-degree upsweep, 31.8mm
GRIPS Specialized Sip Grip, half-waffle aramid-infused, XS/S: Regular, Others: XL thickness
FRONT BRAKE Custom Avid Elixir 5 R, hydraulic disc, metallic pad, HS-1 rotor, 200mm rotor
REAR BRAKE Custom Avid Elixir 5 R, hydraulic disc, metallic pad, HS-1 rotor, 180mm rotor
BRAKE LEVERS Custom Avid Elixir 5 hydraulic disc, tool-less reach adj.
REAR DERAILLEUR SRAM X9 Type 2, 10-speed, short cage
SHIFT LEVERS SRAM X7, 10-speed, Aluminium trigger, w/MatchMaker clamp
CASSETTE Shimano Tiagra, 10-speed, 11-25
CHAIN KMC X10, nickel plate, reusable Missing Link
CRANKSET Custom SRAM Descendant PF30, 7050 alloy arms, with Gamut P-30 chain guide
PEDALS Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins
RIMS Roval DH 26, alloy disc, 30mm wide w/eyelets, 32h
FRONT HUB Specialized Hi Lo disc, laser-etched logo, sealed cartridge bearing, 20mm thru-axle, 32h
REAR HUB Specialized Hi Lo disc, 150mm, hollow 12mm Cr-Mo axle w/ RD guard, 32h
SPOKES DT Swiss Industry, stainless, 14g
FRONT TYRE Specialized Butcher DH, 60 TPI, wire bead, soft dual-compound, 26×2.3″
REAR TYRE Specialized Butcher DH, 60 TPI, wire bead, soft dual-compound, 26×2.3″
INNER TUBES Standard presta
SADDLE Specialized DH, 8mm hollow Cr-Mo rails
SEATPOST Specialized 6061 alloy, two bolt micro adjust, no offset, 30.9mm, 300mm
SEAT BINDER Specialized 7050 hard anodized alloy, 36.9mm, single bolt
NOTES Protective clear coat, frame guard, derailleur hanger, reflectors, owners manual


* *Not all sizes available in all markets

Size S M L
Seat Tube Length – Center to Top 394mm 419mm 458mm
Top Tube Length (Horizontal) 560mm 580mm 597mm
Top Tube Length (Actual) 523mm 532mm 545mm
Chainstay Length 421mm 421mm 421mm
Bottom Bracket Height – Low Setting 338mm 338mm 338mm
Bottom Bracket Height – Mid Setting 343mm 343mm 343mm
Bottom Bracket Height – High Setting 353mm 353mm 353mm
Seat Tube Angle (Actual) 61° 61° 61°
Seat Tube Angle (Effective) 76° 76° 76°
Head Tube Angle 64° 64° 64°
Wheel Base 1171mm 1191mm 1208mm
Standover Height 715mm 717mm 721mm
Head Tube Height 112mm 112mm 112mm
Handlebar Width 750mm 750mm 750mm
Stem Length 45mm 45mm 45mm
Crank Length 165mm 165mm 165mm
Seatpost Length 300mm 300mm 300mm
Stack 593mm 593mm 593mm
Reach 410mm 430mm 447mm
Ground-Top 931mm 931mm 931mm
WP Post Tabs


“Improves on a bike that was one of the best anyway. Fast and furious fun. ”

Bike Radar – 2012-06-15 00:00:00.0

“Its short (421mm) rear end makes for some monumental turning speed, and the suspension complements it perfectly, being able to carry that speed forwards out of a turn rather than get bogged down in it.”

“The bike really feels as though you sit into it, giving you the confidence to try gapping stuff up and bouncing off roots to try to make the next bit of downslope.”

“As with all the FSR linkage bikes, the suspension is amazingly predictable, and after a couple of runs you can be pretty sure about what the bike will do in any given situation. There are never any nasty surprises.”

“This bike doesnt just excel in the corners though, that sit-in feeling and responsive handling means confidence just happens. Even through gnarly rock gardens and massive compressions in root sections, the bike just does it.”

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Review TEST:  Dirt Magazine, Dirt 100


Shorter Rochford

65-67 Woodhouse Road



N12 9ET

020 8445 9182

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  • Opening Hours
  • Mon-Tue 9:00 - 18:00

    Wednesday 9:00 - 19:00

    Thursday closed

    Friday 9:00 - 18:00

    Saturday 9:00 - 17:30

    Sunday Closed


    Shorter Rochford

    27 Barnet Road

    Potters Bar


    EN6 2QX

    01707 662 332

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  • Opening Hours
  • Mon-Tue 9:00 - 18:00

    Wednesday Closed

    Thurday 9:00 - 18:00

    Friday 9:00 - 18:00

    Saturday 9:00 - 17:30

    Sunday Closed

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