Sorry! Specialized Demo Alloy 27.5 is no longer available.

Demo Alloy 27.5


Gloss / Cool Grey / Ion



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Don't let money decide who's fastest down the mountain, The Demo 8 27.5 will prove itself amongst the high earners. Race proven design, great rolling efficiency due to 650b wheels and a sweet components list make this a rig for the working class sender.

The Demo 8 27.5 is built from top spec M5 Aluminium, its Super stiff, light and incredibly strong. A thick 1.5-inch head-tube holds the RockShox BoXXer's in place and a custom-tuned FOX VAN RC shock accompanies the stand out design of the single sided seat tube on the Demo 8's frame.

Making it feel planted is it's S3 Geometry and 200mm of travel front and rear, add in the low BB and super short chain-stays means the Demo 8 27.5 is incredibly stable at speed over the roughest terrain you can ride.

Accompanying the Fox Van shock & RockShox BoXXer kit are SRAM's mighty four pot Guide RS hydraulic disc brakes, solid one-by-ten SRAM GX drivetrain with custom SRAM Descendant cranks and its all rolling on Roval's 650b, aluminium 24mm wide rims that are shod with the formidable Butcher and Slaughter DH specific tyres.

Show the big spenders who's boss!

FRAMEM5 alloy, S3 Geometry, carbon seatstay, BB30, full internal cable routing, 135mm dropouts, lipped and sealed cartridge bearing pivots, replaceable derailleur hanger, 200mm of travel
FORKRockShox BoXXer RC 27.5, DebonAir spring, adjustable low-speed compression, adjustable rebound, short crown, 20x110mm thru-axle, 48mm offset, 200mm of travel
REAR SHOCKCustom FOX Van RC, rebound & compression adjust, 9.5x3.0"
FRONT HUBSpecialized disc, alloy flange & disc mount, sealed cartridge bearings, 20x110mm thru-axle, 28h
REAR HUBSpecialized disc, sealed cartridge bearings, 12x135mm spacing, 32h
SPOKESDT Swiss Industry
RIMSRoval 27.5, alloy, 24mm internal width
INNER TUBESPresta, 40mm valve
FRONT TYREButcher, DH casing, 60 TPI, wire bead, 27.5 x 2.5"
REAR TYREButcher, DH casing, 60 TPI, wire bead, 27.5 x 2.3"
CRANKSETCustom SRAM Descendant, BB30, 7050 alloy arms, 165mm, MRP SXg CS ISCG-05 chainguide
SHIFT LEVERSSRAM GX, trigger, 10-speed
REAR DERAILLEURSRAM GX, Type 2.1, short cage
CASSETTESRAM PG-1030, 10 speed, 11-36t (*last three cogs removed)
CHAINSRAM PC-1031, 10-speed
FRONT BRAKESRAM Guide RE, 4-piston caliper, hydraulic disc, 200mm
REAR BRAKESRAM Guide RE, 4-piston caliper, hydraulic disc, 180mm
HANDLEBARSSpecialized, 7050 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 800mm width
GRIPSSpecialized Sip Grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
STEMSpecialized Direct Mount DH Stem, two-piece, forged alloy, 45mm
SADDLEBody Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
SEATPOSTSpecialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
SEAT BINDERAlloy, 34.9mm
PEDALSSpecialized Dirt

Please note: Manufacturers can sometimes change the specification of the products from time to time.

Size S M L XL
B-B Drop 12mm 12mm 12mm 12mm
B-B Height 342mm 342mm 342mm 342mm
Bike Stand-Over Height 698mm 698mm 698mm 698mm
Chain-Stay Length 430mm 430mm 430mm 430mm
Crank Length 165mm 165mm 165mm 165mm
Fork Length (full) 590mm 590mm 590mm 590mm
Fork Rake/Offset 52mm 52mm 52mm 52mm
Front-Center 754mm 779mm 799mm 819mm
Handlebar Width 780mm 780mm 780mm 780mm
Head-Tube Angle 63.5° 63.5° 63.5° 63.5°
Head-Tube Length 105mm 105mm 105mm 105mm
Reach 395mm 420mm 440mm 460mm
Seat-Tube Angle 74° 74° 74° 74°
Seat-Tube Length 394mm 394mm 419mm 419mm
Seatpost Length 367mm 367mm 367mm 367mm
Stack 614mm 614mm 614mm 614mm
Stem Length 45mm 45mm 45mm 45mm
Top-Tube Length (horizontal) 571mm 596mm 616mm 636mm
Trail 118mm 118mm 118mm 118mm
Wheelbase 1183mm 1208mm 1228mm 1248mm