Demo 8 I
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Demo 8 I

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Demo 8 I
Technical Specifications
Good luck finding a better high-performance downhill bike than this value-packed rig. With 200mm of front and rear travel, a custom FOX VAN RC shock, and a RockShox Boxxer RC fork, this machine is one well-thought-out downhill setup.
  • Alloy Bennies DH race pedal w/ a low profile, cartridge bearings, and removable grub pins
  • Custom SRAM Descendant PF30 crankset w/ 36T ring, Gamut bashguard for reliable performance
  • Versatile SRAM 10-speed cassette and drivetrain for shifting precision uphill and down
  • World Cup-proven Specialized Butcher DH front tire
  • Specialized Slaughter DH tire for fast-rolling performance on challenging terrain
  • Roval 650b DH rims w/ Hi Lo hubs are lightweight and durable for smooth handling at speed
  • Custom FOX VAN RC coil shock for premium bump absorption
  • M5 alloy FSR frame w/ 200mm travel and new 650b S3 Geometry to handle gnarly downhill terrain
  • RockShox Boxxer RC fork w/ 200mm of travel and 20mm Maxle is tuned for gnarly terrain

Technical Specifications

CHAIN SRAM PC 1031, 10-speed, w/ PowerLink, nickel finish
BOTTOM BRACKET SRAM, PF30 to BSA 83mm adapter
CRANKSET Custom SRAM Descendant, PF30 spindle, alloy arms, 165mm, 36T ring, w/ Gamut bashguard
SHIFT LEVERS SRAM X7, 10-speed, w/ MatchMaker clamp
CASSETTE SRAM PG 1030, 10-speed, 11-25
REAR DERAILLEUR SRAM X9 Type 2, 10-speed, mid cage
FORK RockShox Boxxer RC 650b, alloy steerer, compression and rebound adj., 20mm Maxle DH thru-axle, M: soft spring, L/XL: medium spring, 200mm travel
REAR SHOCK Custom FOX VAN RC, coil w/ piggy back, compression and rebound adj., 9.5x3"", XS: 350, S: 400, M: 450, L: 500
SADDLE Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
SEATPOST Specialized 6061 alloy, 2-bolt, 0mm setback, 30.9mm
STEM Specialized P.Series MTB, forged alloy, 4-bolt
HANDLEBARS Specialized Demo, low rise, 6061 alloy, 9-degree backsweep, 6-degree upsweep, 31.8mm
GRIPS Specialized Sip Grip, light lock-on, half-waffle, S/M: regular thickness, Others: XL
FRONT HUB Specialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 36h
REAR HUB Specialized Hi Lo disc, hollow Cr-Mo axle, 32h
INNER TUBES Ultralight, presta valve
SPOKES DT Swiss Industry, stainless
RIMS Roval 650b DH, alloy, 24mm inner width, w/ eyelets, 32h
FRONT TIRE Specialized Butcher DH, 60TPI, wire bead, dual compound, 650bx2.5""
REAR TIRE Specialized Slaughter DH, 60TPI, wire bead, dual compound, 650bx2.3""
FRONT BRAKE SRAM Guide R, metallic pads, Guide R caliper, 200mm Centerline rotor
BRAKE LEVERS SRAM Guide R, alloy lever, w/ reach adjust
REAR BRAKE SRAM Guide R, metallic pads, Guide R caliper, 180mm Centerline rotor
PEDALS Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins
HEADSET 1-1/2"" semi-integrated for 1-1/8"" steerer, cartridge bearings
SEAT BINDER Specialized 7050 alloy, single bolt, 34.9mm
FRAME M5 manipulated alloy, 650b S3 Geometry, 1.5"" forged headtube, 135mm rear spacing, compact race design, ISCG '05 mount, cartridge bearing rear shock mount, rear derailleur protector, 200mm travel


Geometry Chart

Demo - Geometry

  Med Long X-Long
Crank Length 165mm 165mm 165mm
Stem Length 45mm 45mm 45mm
Seatpost Length 300mm 300mm 300mm
Bottom Bracket Height - High Setting 357mm 357mm 357mm
Head Tube Angle - High Setting 64.3° 64.3° 64.3°
Handlebar Width 780mm 780mm 780mm
Reach 419mm 439mm 456mm
Stack 613mm 616mm 616mm
Seat Tube Angle (Effective) - High Setting 76.8° 76.8° 76.8°
Chainstay Length 430mm 430mm 430mm
Seat Tube Angle (Actual) - High Setting 63.8° 63.8° 63.8°
Top Tube Length (Actual) 510mm 532mm 548mm
Top Tube Length (Horizontal) 573mm 594mm 612mm
Head Tube Angle - Low Setting 63.5° 63.5° 63.5°
Standover Height 721mm 730mm 736mm
Head Tube Height 108mm 108mm 108mm
Wheel Base 1207mm 1228mm 1235mm
Seat Tube Angle (Actual) - Low Setting 63° 63° 63°
Seat Tube Angle (Effective) - Low Setting 76° 76° 76°
Seat Tube Length - Center to Top 393mm 417mm 417mm
Bottom Bracket Height - Low Setting 347mm 347mm 347mm