VelopediaBicycle Archive · Specification report

2019 Specialized Demo Expert 29

Velopedia Archive ID 900003640

Overview

Model year2019
BrandSpecialized
ModelDemo Expert 29
Bicycle typeMountain
Archive ID900003640
Original MSRP$5,000.00
ColorsGloss / Storm Grey / Rocket Red
SizesS2; S3; S4

Frameset

Frame constructionM5 alloy, Style-Specific DH Geometry, BSA threaded BB, full internal cable routing with option for full external brake, 148mm rear spacing, sealed cartridge bearing pivots, replaceable derailleur hanger, 200mm of travel
Frame materialAluminum
ForkRockShox BoXXer RC 29, DebonAir spring, adjustable low-speed compression, adjustable rebound, short crown, 20x110mm thru-axle, 56mm offset, 200mm of travel
Rear shockRockShox Super Deluxe RC World Cup, low-speed compression adjust, external rebound adjust, Trunnion mount, 225x75

Drivetrain

ShiftersSRAM GX, trigger, 10-speed
Rear derailleurSRAM, GX, Type 2.1, medium cage
CranksetSRAM Descendant, GXP, alloy, 94 BCD, 165mm crankarm, MRP SXg CS ISCG-05 chainguide; chainrings: 34T
Bottom bracketSRAM GXP, 83mm
BB shell width83 mm
CassetteSRAM PG-1030, 10 speed, 11-36t (*last three cogs removed)
ChainSRAM PC-1031, 10-speed

Brakes

Brakes(F) SRAM Code R, 4-piston caliper, hydraulic disc, 200mm / (R) SRAM Code R, 4-piston caliper, hydraulic disc, 200mm

Cockpit & contact points

HandlebarSpecialized, 7050 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 800mm width
StemSpecialized Direct Mount DH Stem, two-piece, forged alloy, 45mm
SaddleBody Geometry Henge DH, hollow cro-mo rails,130mm
SeatpostSpecialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm

Wheels & tires

Hubs(F) Specialized disc, alloy flange & disc mount, sealed cartridge bearings, 20x110mm thru-axle, 28h / (R) Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
RimsRoval 29" Alloy DH, 28mm internal width, 28h, tubeless ready
SpokesDT Swiss Industry
Front tireButcher BLCK DMND, 2Bliss Ready, 29x2.6"
Rear tireButcher BLCK DMND, 2Bliss Ready, 29x2.3"

Geometry · S2

Seat tube394 mm
Effective top tube563 mm
Head tube105 mm
Head-tube angle62.7°
Seat-tube angle77.7°
Chainstay / rear center450 mm
Wheelbase1251 mm
Bottom-bracket drop25 mm
Bottom-bracket height350 mm
Reach425 mm
Stack633 mm
Standover height760 mm
Fork offset / rake56 mm
Front center802 mm
Trail131 mm
Fork length / axle-to-crown607 mm
Seatpost length300 mm
Crank length165 mm
Stem length45 mm
Handlebar width800 mm

Geometry · S3

Seat tube420 mm
Effective top tube600 mm
Head tube105 mm
Head-tube angle62.7°
Seat-tube angle76.3°
Chainstay / rear center450 mm
Wheelbase1271 mm
Bottom-bracket drop25 mm
Bottom-bracket height350 mm
Reach445 mm
Stack633 mm
Standover height760 mm
Fork offset / rake56 mm
Front center822 mm
Trail131 mm
Fork length / axle-to-crown607 mm
Seatpost length300 mm
Crank length165 mm
Stem length45 mm
Handlebar width800 mm

Geometry · S4

Seat tube420 mm
Effective top tube620 mm
Head tube105 mm
Head-tube angle62.7°
Seat-tube angle76.3°
Chainstay / rear center450 mm
Wheelbase1291 mm
Bottom-bracket drop25 mm
Bottom-bracket height350 mm
Reach465 mm
Stack633 mm
Standover height760 mm
Fork offset / rake56 mm
Front center842 mm
Trail131 mm
Fork length / axle-to-crown607 mm
Seatpost length300 mm
Crank length165 mm
Stem length45 mm
Handlebar width800 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.