Specialized Demo Race Mountain Bike 2021 - Downhill Full Suspension MTB

£7,500.00
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Product Description

All-out speed has always been the Demo’s target, and with the Demo Race it’s no different. Introducing a new flexible wheel-size frame design that allows riders to take advantage of a 29-inch front wheel and a 27.5-inch rear wheel, it’s a special blend that’s long been tested by World Champ Loic Bruni looking for the perfect balance of traction and maneuverability, but only just green-lighted by the UCI this past year. Not that it stopped the Demo Race from racking up both the Downhill World Championship and overall World Cup titles in it’s very first season...

Key Features:

Now, we’re offering that same winning combination straight out of the box, while an adjustable rear end that still allows you to change between 27.5 and 29-inch wheel sizes based on terrain and riding style while also adjusting for proper chainstay length and bottom-bracket height.

Blazing fast on tough tracks, the Demo Race suspension design has been developed around a more rearward axle path that reduces rear wheel hang-up, increasing speed instead.

Top-shelf suspension from RockShox takes advantage of the most proven suspension kinematics on the World Cup circuit and SRAM’s DH-specific XO1 drivetrain has you covered from start gate to finish line.

The Demo Race M5 alloy frame is fully optimized to take advantage of the traction benefits of a 29-inch front wheel and the increased manueverability of a 27.5-inch rear wheel while maintaiining the ability to change your rear wheel size to suit different terrain and riding styles with an adjustable rear end that ensures chainstay length and bottom-bracket height stay dialed no matter the hoop size.

The Rockshox Super Deluxe Ultimate DH coil shock may be heavy on adjectives, but it’s even heavier on performance, offering external low speed compression and rebound adjustment while the Trunnion mount offers extra bushing overlap for increased durability.

Not that it needs an introduction, the RockShox BoXXer Ultimate 29 comes from a long lineage of World Cup domination and it’s latest guise it features RockShox’s Charger 2.1 Damper, DH DebonAir spring and 200-millimeters of podium-bred travel.

Occasionally, without notice, manufacturers change product design and/or specifications.

Specification

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, 148mm rear spacing, sealed cartridge bearing pivots, replaceable derailleur hanger, 200mm of travel
Fork:RockShox BoXXer Ultimate 29, Charger 2.1 Damper, DH DebonAir spring, short crown, 20x110mm thru-axle, 56mm offset, 200mm of travel
Rear Shock:RockShox Super Deluxe Ultimate DH Coil, external low speed compression, external rebound adjust, Trunnion mount, 225x75
Stem:Descendant 35mm Direct Mount Stem, 50mm length
Bars:Roval Traverse SL Carbon, riser bar, 6-degree upsweep, 8-degree backsweep, 30mm rise, 800mm, 35.0mm
Front Brake:SRAM Code RSC, 4-piston caliper, hydraulic disc, 220mm
Rear Brake:SRAM Code RSC, 4-piston caliper, hydraulic disc, 220mm
Rear Mech:SRAM X01 DH, 7-speed
Shifters:SRAM X01 DH, 7-speed, trigger
Speed:7
Rims:Roval Alloy DH, 29 front, 27.5 rear, 28mm internal width, 28h, tubeless ready
Front Hub:Alloy, sealed cartridge bearings, 20x110mm, 28h
Rear Hub:DT Swiss 350, SRAM XD freehub, 6-bolt disc, high-low flange, sealed cartridge bearings, 12x148mm spacing, 28h
Spokes:DT Swiss Competition, stainless steel, 14g
Front Tyre:Butcher BLCK DMND, 29x2.3"
Rear Tyre:Butcher BLCK DMND, 27.5x2.3"
Seat Post:Thomson, alloy, straight, 12-degree clamp
Saddle:Body Geometry Henge DH, hollow titanium rails, 130mm
Chainset:SRAM X01 DH, DUB, carbon, Direct mount ring, 34T, 165mm
Bottom Bracket:SRAM DUB, 83mm
Chain:Sram PC1130 w/ Powerlink, 11-speed
Cassette:SRAM X01 DH, 7-speed, 10-24t
Pedals:Basic Resin Flats

Demo Sizing & Geometry

Specialized logo

Specialized Demo 2021 Size Chart

Size

Height (cm)

Height (inches)

S2  (S)

158 - 175

5’2”- 5’9”

S3  (M)

165 – 183

5’5”- 6’0”

S4  (L)

173 - 193

5’8”- 6’4”

 

Specialized Demo 2021 Geometry

 

S2

S3

S4

Crank length

165

165

165

Stem length

50

50

50

Seatpost length

367

367

367

Saddle width

130mm

130mm

130mm

Handlebar width

800mm

800mm

800mm

Reach

426mm

446mm

466mm

Stack

632mm

632mm

632mm

Head-tube length

105mm

105mm

105mm

Front-center

801mm

821mm

841mm

Fork rake/offset

56mm

56mm

56mm

Head-tube angle

62.8°

62.8°

62.8°

Trail

130mm

130mm

130mm

B-b height

350mm

350mm

350mm

Seat-tube angle

78.2°

76.8°

76.8°

B-b drop

25mm

25mm

25mm

Seat-tube length

394mm

420mm

420mm

Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!

Full Sus MTB Guide

 

Is a full-suspension mountain bike right for me?

If you’re new to the world of cycling, we highly recommend taking a look at our bike buying guide overview or our mountain bike buying guide to help you decide what type of bike is right for your needs.

When you’re choosing a full suspension mountain bike, there are a few things to look out for which can help you to work out the quality and performance you can expect from a particular model.


Suspension travel & usage

Depending on the type of mountain bike riding you’ll be doing, you may want to have longer or shorter suspension travel on your bike:

Travel

Usage

Pros

Cons

Up to 120mm

XC

Lightweight & efficient pedalling for long-distance rides

Short travel is less capable on rough & demanding trails with large jumps & drops

120 – 150mm

Trail

Lightweight, balance of climb-friendly efficiency & rough-descent capability

More weight than a shorter travel bike & less efficient climbing. Less capable on descents than a longer travel bike

150-180mm

Enduro

Capable of covering difficult & technical downhill sections. Wide enough gear range for climbing

Heavier & significantly less efficient at climbing compared to shorter travel bikes

180mm +

Downhill

Designed for highly technical & high-speed descents, with big drops and large jumps

Heavy, and inefficient at climbing. Limited gear range means most climbs will require pushing the bike

 

 


Frame material

Full-suspension MTB frames are mostly made from either aluminium or carbon fibre, with each material having its own benefits & drawbacks.

Aluminium

Aluminium is lightweight, stiff, strong, and easy to manufacture. Manufacturers often develop their own aluminium alloys, such as ALUXX by Giant. Aluminium is found on a wide range of bikes, from entry-level & enthusiast bikes, right the way up to top-spec racing bikes.

Carbon

Carbon fibre is lighter, stiffer, stronger, and more expensive than aluminium. The most affordable carbon bikes typically use medium strength carbon fibres, while the most expensive bikes use stronger ‘high modulus’ carbon. Carbon fibre frames are found on enthusiast-level bikes, right up to high-performance bikes designed for racing.


Groupset & drivetrain

Mountain bike groupset components are typically supplied by either Shimano or SRAM, with additional manufacturers like Formula, Hope, Magura, Tektro and TRP supplying brake systems. Shimano & SRAM both produce a range of groupsets to suit different budgets. The hierarchy table here compares the different Shimano & SRAM groupsets to determine which bikes offer the best performance.

A bike’s groupset, or drivetrain, is where the biggest difference in component quality is seen. A complete groupset comprises of the following parts:

  • Chainset (aka Crankset)
  • Bottom bracket
  • Brakes
  • Brake levers
  • Shifters
  • Front & rear derailleur
  • Chain
  • Cassette
 Shimano LogoSRAM Logo
Professional
11
XTR Di2
12
XX1 AXS Eagle
AXS Eagle

12
X01 AXS Eagle
AXS Eagle
 
12
XTR
11
XX1

11
X01
 
11
XT Di2
 
Enthusiast
12
XT
 
11
SLX
10
GX
 
10
Deore
11
NX
Entry
9
Alivio
12
SX Eagle
Eagle
 
9
Acera
9-10
X9
 
9
Altus
9-10
X7
 
7
Tourney
7-10
X5

 

 


Wheel size

You’ve probably noticed that a lot of mountain bikes come in a choice of wheel size, mainly a 27.5 inch wheel (also known as a 650B wheel) or a 29inch wheel (known as a 29er). Although there are still bikes which use 26 inch wheels, these are gradually being phased out on all but the smallest bikes. The difference between these wheel sizes can have a dramatic effect on the way a bike feels and handles out on the trail.

27.5in/650b Wheels

27.5inch wheels are smaller and lighter than 29er wheels, which makes them more agile and gives the bike a more responsive & playful nature. On the other hand, the smaller wheel size rolls less efficiently than the larger size, making the bike more prone to losing speed over rough ground and making it a little slower when climbing.

29er Wheels

29er wheels have a bigger rolling radius which makes them naturally smoother over rough ground. For this reason, a 29er mountain bike often requires less suspension travel than smaller wheeled alternatives. The downsides are an increase in weight, and the larger diameter wheels generate stronger gyroscopic forces, making the bike more stable, but less agile and responsive whilst manoeuvring.

26in Wheels

26 inch wheels were once the go-to wheel size on adult mountain bikes. However, they are now typically only found on the smallest frame sizes, and on junior bikes. 26 inch wheels are lightweight and give the bike very agile handling. The downsides to 26 inch wheels are their poor rolling resistance on rough ground, and the reduced contact patch due to the smaller wheel circumference.


Suspension components

Mountain bike suspension components (i.e. the fork or rear shock absorber) are also a way to identify the quality of a bike. While Fox and RockShox are the most common manufacturers, there are a number of brands producing suspension components for mountain bikes.

Entry level full suspension mountain bikes (up to approximately £1300) may come supplied with a fork & rear shock supplied by SR Suntour, X-Fusion or RockShox. These components will allow a limited amount of adjustment, including:

  • Coil spring preload / air spring pressure adjustment
  • Lockout switch
  • Rebound damping adjustment on models towards the top of the price range.

Mid-range & enthusiast bikes (up to approximately £3500) use components from brands including Fox, RockShox and Manitou. At this level, suspension components have features like:

  • Preload adjustment / air spring pressure adjustment
  • Rebound damping adjustment
  • Lockout switch
  • Multi-position ‘mode’ switch
  • Components towards the top end of the enthusiast price range may also feature compression damping adjustment as well.

Top of the range & competition spec bikes (over £3500) also use components from Fox, RockShox & Manitou, with a few select models using parts from Ohlins. At this price, suspension components have features including:

  • Coil spring preload adjustment / air spring pressure adjustment
  • High & low speed rebound damping adjustment
  • High & low speed compression damping adjustment
  • Lockout switch
  • Multi-position 'mode' switch
  • Advanced low-friction coatings (e.g. Fox’s golden-coloured Kashima coating)

Finance

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Spend £99 or more at Tredz and you can spread the cost. Pay monthly over 6-48 months, interest free (dependent on repayment terms and amount).

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Delivery & Guarantee

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Returns & Warranty

It's easy to return a product with our 365 day, hassle free returns. 

We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

For more information please visit our Returns & Warranty page.

What's In The Box

What's In The Box

As cyclists ourselves, we know you will be keen to get out on your new bike as soon as possible. That's why we provide you with all the essential kit you need to get your shiny new bike rolling for the first time.

Most bikes don't come with pedals as standard so we include a set of basic pedals, free of charge with every bike we send out. We will also provide you with a pedal spanner to fit them and a 9-key trail tool, along with full instructions for setting your bike up out of the box. Each bike is sent out with a 16 point, quality control check sheet so you can be confident that your bike has been fully checked by our qualified mechanics.

What's in the box
  • Basic setup instructions
  • 16 point quality control checklist
  • Free tredz multitool
  • Free tred pedal spanner
  • Free basic pedals
  • Free drawstring kit bag
  • Free bike insurance voucher

All these items are provided at no extra charge and are packed into a Tredz drawstring bag that doubles up as a handy backpack for carrying your ride essentials.

  • Basic bike setup instructions
  • Free ‘basic’ pedals
  • Free Tredz pedal spanner
  • Free Tredz 9-key trail tool
  • Free Tredz drawstring bag
  • Free 8 weeks insurance voucher
  • 16 point, quality control check sheet

Tredz Service:

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Read our bike setup guide.

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  • 365 day 'no hassle' returns
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