Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 27.5" -
Travel Front 200mm -
Travel Rear 200mm -
Fork RockShox BoXXer
-
Groupset GX, X7 -
Suspension Full -
Drivetrain 1 × 10 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
M5 alloy, S3 Geometry, carbon link and seatstay, BB30, full internal cable routing, 135mm dropouts, lipped and sealed cartridge bearing pivots, replaceable derailleur hanger, 200mm of travel
Suspension Fork
RockShox BoXXer RC 650b, S: Extra soft spring, M: Soft spring, L: Medium spring, XL: Firm spring, 200mm of travel, compression adjust, rebound adjust, alloy steerer, 48mm offset, Maxle Lite DH
Rear Shock
FOX/Specialized Van RC, rebound & compression adjust, 9.5x3.0""
Drivetrain
Rear Derailleur
SRAM GX Type 2.1, short cage, 10-speed
Shift Levers
SRAM X7, 10-speed, trigger
Cassette
SRAM PG-1030, 10-speed, 11-36t
Crank
SRAM Descendant, BB30, 7050 alloy arms, 32T chainring, 165mm, SRAM 36T
Bottom Bracket
SRAM BB30, 83mm
Chain
SRAM PC-1031, 10-speed w/PowerLink
Pedals
Specialized Bennies, 6061 alloy body, sealed cartridge bearings, 4.5mm removable pins
Wheels
Front Hub
Specialized disc, alloy flange & disc mount, sealed cartridge bearings, 20mm thru-axle, 32h
Rear Hub
Specialized disc, 12x135mm spacing, sealed cartridge bearings, 32h
Rims
Roval 650b, alloy, 24mm inner width, 32h
Spokes
DT Swiss Industry, stainless, 3x, 2.0""
Tires
Butcher, DH casing, 650bx2.5"", 60TPI, wire bead
Brakes
Brakes
SRAM Guide R, hydraulic disc, metallic pads, 200mm Centerline rotor
Cockpit
Stem
Specialized P.Series MTB, forged alloy, 4-bolt, 45mm
Handlebar
Specialized DH, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 25mm rise, 800mm, 31.8mm
Grips
Specialized Sip Grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
Seat
Saddle
Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
Seatpost
Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | Short | MD | Long | Long |
|---|---|---|---|---|
| Stack Reach Ratio | 1.55 mm | 1.46 mm | 1.39 mm | 1.33 mm |
| Bottom Bracket Height | 342 mm | 342 mm | 342 mm | 342 mm |
| Front Center | 754 mm | 779 mm | 799 mm | 819 mm |
| Rake | 52 mm | 52 mm | 52 mm | 52 mm |
| Trail | 118 mm | 118 mm | 118 mm | 118 mm |
| Stack | 615 mm | 615 mm | 615 mm | 615 mm |
| Reach | 396 mm | 421 mm | 441 mm | 461 mm |
| Top Tube Length | 572 mm | 597 mm | 617 mm | 637 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 367 mm | 367 mm | 367 mm | 367 mm |
| Head Tube Angle | 63.5 ° | 63.5 ° | 63.5 ° | 63.5 ° |
| Head Tube Length | 105 mm | 105 mm | 105 mm | 105 mm |
| Chainstay Length | 431 mm | 431 mm | 431 mm | 431 mm |
| Wheelbase | 1184 mm | 1209 mm | 1229 mm | 1249 mm |
| Bottom Bracket Drop | 12 mm | 12 mm | 12 mm | 12 mm |
| Standover Height | 699 mm | 699 mm | 699 mm | 699 mm |
| Wheels | 27" | 27" | 27" | 27" |
About this model
Demo 8 I Alloy completes the Specialized Demo model. Specialized released 63 bikes variations of this model so far. Check out the entire range from 2017 of this model, by clicking this link.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Downhill bikes average price
According to our calculations, the average cost of a Downhill bike that is reliable is 3391$. However, even if your budget is less than the average, you might still be able to get a top-quality Downhill bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Internal Cable Routing
Another thing to mention, is the internal cable routing of this bike. In conclusion, this helps you too, keep the bike cables in mint condition, and also it looks better. No more cables, surrounding the bike.
Demo 8 I Alloy components
Fork
The Demo 8 I Alloy comes factory-installed with the RockShox BoXXer fork. This has a travel range of 200mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. In conclusion, always look for a fork with decent travel when you buy a bike.
Fork material
The fork is made out of aluminum, so there won’t be much extra weight added to the bike. However, they are not so stiff as carbon forks are.
Rear Shock
The Demo 8 I Alloy has a rear shock with a travel of 200mm. The model FOX/Specialized Van RC is the one installed in this bike. Rear shocks give you increased comfort, control, and traction, which is important when cornering or braking. This allows you to ride faster on bumpy roads. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels size
When leaving the production line, the Demo 8 I Alloy model has 27.5″ aluminum wheels. These wheels will provide you with more control over the bike. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
Nothing is more important on a bike than its ability to brake properly. Specialized Demo 8 I Alloy is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.