Image of Specialized Demo 8 I
2015

Specialized Demo 8 I

Specialized Demo 2015

Downhill

At a glance

The 2015 Specialized Demo 8 I is an Downhill mountain bike. It has RockShox suspension and a SRAM drivetrain. The bike is part of Specialized's Demo range of mountain bikes.

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.

Where To Buy

Reviews

Specifications

Frameset
  • 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
  • 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
  • Shock
    Custom FOX VAN RC, coil w/ piggy back, compression and rebound adj., 9.5x3"", XS: 350, S: 400, M: 450, L: 500
Wheels
  • Hubs
    Front: Specialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 36h
    Rear: Specialized Hi Lo disc, hollow Cr-Mo axle, 32h
  • Wheels
    Roval 650b DH, alloy, 24mm inner width, w/ eyelets, 32h
  • Spokes
    DT Swiss Industry, stainless
  • Tires
    Front: Specialized Butcher DH, 60TPI, wire bead, dual compound, 650bx2.5""
    Rear: Specialized Slaughter DH, 60TPI, wire bead, dual compound, 650bx2.3""
Drivetrain
  • Chain
    SRAM PC 1031, 10-speed, w/ PowerLink, nickel finish
  • Crank
    Custom SRAM Descendant, PF30 spindle, alloy arms, 165mm, 36T ring, w/ Gamut bashguard
  • Bottom Bracket
    SRAM, PF30 to BSA 83mm adapter
  • Rear Derailleur
    SRAM X9 Type 2, 10-speed, mid cage
  • Shifters
    SRAM X7, 10-speed, w/ MatchMaker clamp
  • Cassette
    SRAM PG 1030, 10-speed, 11-25
  • Pedals
    Specialized Bennies, 6061 alloy body, sealed cartridge bearings, 4.5mm removable pins
Components
  • Brakeset
    Front: SRAM Guide R, metallic pads, Guide R caliper, 200mm Centerline rotor
    Rear: SRAM Guide R, metallic pads, Guide R caliper, 180mm Centerline rotor
  • Handlebar
    Specialized Demo, low rise, 6061 alloy, 9-degree backsweep, 6-degree upsweep, 31.8mm
  • Saddle
    Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
  • Seatpost
    Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
  • Stem
    Specialized P.Series MTB, forged alloy, 4-bolt, 45mm

FAQ

Q: What size 2015 Specialized Demo 8 I should I get?

After measuring your height, use the size chart below to find the typical Specialized Demo 8 I size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm)Rider Height (in)Frame Size
148cm - 158cm4'10" - 5'2"XS
158cm - 168cm5'2" - 5'6"S
168cm - 178cm5'6" - 5' 10"M
178cm - 185cm5'10" - 6'1"L
185cm - 193cm6'1" - 6'4"XL
193cm - 198cm6'4" - 6'6"XXL

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