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2017 Specialized

Demo 8 Alloy Frame

A 27.5″ aluminum frame full suspension downhill frameset.

FrameAluminum
SuspensionFull, 200mm rear
ShockÖhlins
Wheels27.5″
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Reviews

Summary

The Specialized Demo is a downhill bike that excels in gnarly terrain with its supple suspension and planted handling, making it a favorite for steep and technical tracks. However, it faces criticism for its pedaling efficiency and suspension that can feel wallowy or bottom out under hard use. The bike's design, including its asymmetric frame and low bottom bracket, contributes to its confident ride but can also lead to some handling quirks.

Pros
  • Super-supple, traction-rich suspension isolates your feet from the roughest terrain

  • Low bottom bracket and short chainstays make for a connected, planted feel in steep tech and turns

  • Asymmetric frame design for easier access to the shock and cool looks

  • Impeccable finish and true internal routing leaves the bike rattle free

  • Great geometry and progressive sizing mirrors the more expensive carbon design

Cons
  • Linear suspension can hamper front wheel grip when cornering hard

  • Pedalling efficiency is compromised

  • Feet dragging on the insides of ruts due to low bottom bracket

  • Suspension is easy to bottom out

  • Basic fork internals and components are lacking compared to competitors

Key Quotes
Awesome in gnarly terrain, but a little wallowy when pedalling or cornering hard
BikeRadar logoBikeRadar
A bike that shines on pure downhill
Dirt Mountainbike logoDirt Mountainbike
The Specialized Demo 8.1 Alloy looks just as good as its carbon counterpart, but costs 50 per cent less.
MBR logoMBR
Sometimes things just click, as they did on our very first run with the Specialized Demo 8.
Vital MTB logoVital MTB

Feedback?

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Vital MTB
2018 Specialized Demo 8 S-Works Bike

Jan 2019 · Bturman

The highly regarded Demo 8 offers immediate confidence and a smooth ride.

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BikeRadar
Specialized Demo 8 I Alloy review

Sep 2018 · Seb Stott

Awesome in gnarly terrain, but a little wallowy when pedalling or cornering hard. Buy if you want a bike for the roughest, steepest, most technical tracks around

Highs
  • Super-supple, traction-rich suspension isolates your feet from the roughest terrain

  • Low bottom bracket and short chainstays make for a connected, planted feel in steep tech and turns

Lows
  • Linear suspension can hamper front wheel grip when cornering hard, especially on the XL size

Read Review

Dirt Mountainbike
Specialized S-Works Demo 8

Apr 2017 · Smurf

2015 downhill bike of they year, 2016 downhill bike of the year, 2017…? The Specialized S-Works Demo 8 is bike we chose to run at the World Championships simply because we couldn’t find a frame that beat it. We’ve now got a National Championships and Worlds podium on the beast that probably prove we were […]

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MBR
Specialized Demo 8.1 Alloy (2017) first ride - MBR

Jan 2017 · Alan Muldoon

Great geometry and progressive sizing give the Specialized Demo 8 Alloy an edge. Everything about the Demo’s parts package is pretty much bombproof.

Highs
  • Great geometry and progressive sizing give the Demo 8 an edge

Lows
  • Basic fork internals put the brakes on an otherwise rapid package

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Mountain Bike Action
Bike Test: Specialized Demo 8 Carbon

Dec 2015 · McCoy

The Specialized Demo 8 Carbon is worth a look for serious downhill riders and racers

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MTB Mag
First Ride : Specialized Demo Carbon 27.5"

Aug 2014 · Ian Collins

During Crankworx in Whistler, I had the fortunate opportunity to take a new Specialized Demo Carbon 27.5” bike out for a day and gather some thoughts on the bold, cutting edge new design. While one day certainly isn’t enough time to do a full length review on a complete DH bike, if there was any single place to ride for JUST one day and gather as much feedback as possible it would be in Whistler. demo test session from MTB MAG on Vimeo. At 6′ tall, I was pretty dead set on riding a long. Why did I call it

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Mountain Flyer
2015 Specialized Demo Carbon - First Impressions

Aug 2014

All New Specialized FSR Design with Concentric Bottom Bracket Introduced at Crankworx Whistler, 27.5-inch wheels are infiltrating the DH scene for 2015, including one of the industry’s last holdouts of the ‘tweener wheel size in general - Specialized. In addition to their recent 27.5-inch Enduro model introduction, next year’s Demo will now be available with 27.5” wheels, too.

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Canadian Cycling Magazine
Specialized releases S-works Demo 8 & Demo 8 Carbon

Aug 2014 · Charles Bryer

Specialized’s latest release is the Demo 8 Carbon – a downhill bike designed to have a lower centre of gravity and improved stiffness according to

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Geometry
Specs
Build
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

BB StandardBB30, 83mm, Press Fit

Shock

Custom Öhlins TTX, Twin-Tube desgin, high and low-speed compression adjust, rebound adjust, 9.5x3""

Travel200mm

Bottom Bracket

SRAM BB30, 83mm

Seatpost

Thomson, alloy, straight, 12-degree clamp

TypeRigid

Rider Notes
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First added November 6

Last updated November 6

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