Demo Expert
Specialized
Downhill
Demo Expert is an alloy downhill mountain bike (2023), by Specialized, in the Demo series. This setup will suit a wide range of riders thanks to its fit flexibility, leaning toward a balanced riding position, with a surface profile that is more at home in gravity-focused bike park riding. Metric-wise, it stands out for capable suspension support for rougher terrain, a balanced ride feel between comfort and directness, and good fit flexibility for dialing in rider position. The trade-off to keep in mind is less emphasis on outright speed than speed-focused builds. Next step: compare this bike with other downhill models on MatchBikes.com.
6.8
Rating

+2
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Score Summary
Performance
6.6
Value
5.6
Fit
7.9
Performance
Built for speed and efficiency
Speed
2.8
Very Low
Climbing Efficiency
2.2
Hefty but Manageable
Suspension
10.0
Extreme rough-terrain ready
Fit
Dialed-in Fit & Comfort
Riding Position
5.9
Balanced
Fit Flexibility
7.5
Adjustable
Ride Comfort
8.7
Balanced
Value
Value for Money
5.6
Fair Value
Surface Range
Bike ParkSpecifications
General
Brand
Specialized
Model
Demo Expert
Year
2023
Price
$5,600
Weight
17.87 kg
Category
Mountain
Sub Category
Downhill
Groupset
GX, Truvativ Descendant
Wheels
29"
Frame
Frame
M5 alloy, Style-Specific DH Geometry, horst pivot flip chip for 27.5 or 29 rear wheel, 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
Suspension Fork
RockShox BoXXer Select 29, DH DebonAir spring, adjustable low-speed compression, adjustable rebound, short crown, 20x110mm thru-axle, 56mm offset, 200mm of travel
Rear Shock
RockShox Super Deluxe Select Coil, external rebound adjust, hydraulic bottom out, Trunnion mount, 225x75
Suspension Type
Full
Drivetrain
Shift Levers
SRAM GX DH, trigger, 7-speed
Rear Derailleur
SRAM GX DH, 7-speed, trigger
Cassette
SRAM GX DH, 7-speed, 11-24t
Crank
DESCENDANT DH, DUB, alloy, Direct mount ring, 165mm, 34T
Bottom Bracket
SRAM DUB, 83mm
Chain
SRAM PC1110 w/ Powerlink™
Wheels
Front Hub
Alloy, sealed cartridge bearings, 20x110mm, 28h
Rear Hub
Alloy, sealed cartridge bearings, 12x148mm thru-axle, 32h
Rims
Roval 29" Alloy DH, 28mm internal width, 28h, tubeless ready
Spokes
DT Swiss Industry
Tires
Front: Butcher, GRID GRAVITY casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3", Rear: Butcher, GRID GRAVITY casing, GRIPTON® T9 compound, 2Bliss Ready, 27.5x2.3"
Brakes
Brake Type
Hydraulic Disc
Brake Description
Front: SRAM Code RS, 4-piston caliper, hydraulic disc, 220mm, Rear: SRAM Code RS, 4-piston caliper, hydraulic disc, 200mm
Cockpit
Stem
Descendant 35mm Direct Mount Stem, 50mm length
Handlebar
Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 30mm rise, 800mm, 35mm clamp
Seat
Saddle
Body Geometry Henge DH, hollow Cro-Mo rails, 130mm
Seatpost
Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
Geometry
| Measurement | S2 | S3 | S4 |
|---|---|---|---|
| Stack Reach Ratio | 1.49 mm | 1.42 mm | 1.36 mm |
| Bottom Bracket Height | 350 mm | 350 mm | 350 mm |
| Front Center | 801 mm | 821 mm | 841 mm |
| Rake | 56 mm | 56 mm | 56 mm |
| Trail | 130 mm | 130 mm | 130 mm |
| Stack | 626 mm | 626 mm | 626 mm |
| Reach | 420 mm | 440 mm | 460 mm |
| Seat Tube Angle | 78.2 ° | 76.8 ° | 76.8 ° |
| Seat Tube Length | 394 mm | 420 mm | 420 mm |
| Head Tube Angle | 62.8 ° | 62.8 ° | 62.8 ° |
| Head Tube Length | 105 mm | 105 mm | 105 mm |
| Chainstay Length | 442 mm | 442 mm | 442 mm |
| Wheelbase | 1233 mm | 1253 mm | 1273 mm |
| Bottom Bracket Drop | 25 mm | 25 mm | 25 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 157 cm | 165 cm | 172 cm |
| Rider Max Height | 172 cm | 180 cm | 188 cm |




























































