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No material has earned its keep on the downhill circuit like our M5 aluminium. The reasons for this are stacking, but primarily, it can all be summed up by stiffness, light overall weight, and strength. That's why you'll find that our Demo 8 I Alloy was constructed from it. Not only that, but it also features a 1.5-inch forged head tube to enhance most of these qualities. As for the ride, the Demo 8 pairs our S3 Geometry with an asymmetric frame design that ensures plenty of access, a roomy top tube for added control, ultra-short, nimble chainstays, a low bottom bracket that keeps you feeling planted, and a slack front end that provides the utmost in responsive handling at speed. For suspension, this Demo features 200mm up front via a RockShox BoXXer RC 650b and 200mm of travel at the rear controlled by a custom-tuned FOX VAN RC. Together, the combo ensures that you'll be able to rocket over any terrain with confidence. And when you add in a build kit consisting of SRAM's powerful Guide R brakes, a durable one-by SRAM drivetrain, and our legendary Butcher & Slaughter DH tyres, you get a bike that wants nothing more than to be pushed harder and faster.

  • M5 alloy construction works in tandem with our S3 Geometry, an asymmetric frame design, and a 1.5” forged head tube to create the ultimate race machine. The design is relatively compact in order increase maneuverability and responsiveness, while the 200mm of travel at the rear makes the bike capable of taking on the biggest of hits in stride. And to fill out all of the details that make the difference on race day, we’ve included an ISCG ‘05 mount for chain guides and a rear derailleur protector to keep you shifting smoothly through rock gardens and unexpected strikes.
  • RockShox BoXXer RC 650b fork is purposefully designed for the most demanding terrain on earth. With 200mm of travel, Motion Control IS damping for maximum efficiency, and Power Buldge reinforced lower legs that allow oversized bushings for incredible stiffness, it'll leave you with nothing but confidence.
  • SRAM Guide R brakes provide powerful, precise, and highly adjustable braking. Their based on a four-piston caliper design that puts out smooth, dependable stopping power, while the Reach Adjust feature allows you to customize the position for easy, one-finger lever pulls. And with SRAM's SwingLink technology, the cam system minimizes deadband without sacrificing modulation.
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
Rear Shock
FOX/Specialized Van RC, rebound & compression adjust, 9.5x3.0"
Front 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
Specialized P.Series MTB, forged alloy, 4-bolt, 45mm
Specialized DH, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 25mm rise, 800mm, 31.8mm
Tape / Grips
Specialized Sip Grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
Front Brake
SRAM Guide R, hydraulic disc, metallic pads, 200mm Centerline rotor
Rear Brake
SRAM Guide R, hydraulic disc, metallic pads, 180mm rotor
Rear Derailleur
SRAM GX Type 2.1, short cage, 10-speed
Shift Levers
SRAM X7, 10-speed, trigger
SRAM PG-1030, 10-speed, 11-36t
SRAM PC-1031, 10-speed w/PowerLink
Crank Set
SRAM Descendant, BB30, 7050 alloy arms, 32T chainring, 165mm
Bottom Bracket
SRAM BB30, 83mm
Specialized Bennies, 6061 alloy body, sealed cartridge bearings, 4.5mm removable pins
Front Rim
Roval 650b, alloy, 24mm inner width, 32h
Front Hub
Specialized disc, alloy flange & disc mount, sealed cartridge bearings, 20mm thru-axle, 32h
Rear Rim
Roval 650b, alloy, 24mm inner width, 32h
Rear Hub
Specialized disc, 12x135mm spacing, sealed cartridge bearings, 32h
DT Swiss Industry, stainless, 3x, 2.0"
Front Tyre
Butcher, DH casing, 650bx2.5", 60TPI, wire bead
Rear Tyre
Slaughter, DH casing, 650bx2.3", 60TPI, wire bead
Inner Tubes
Standard, Presta valve
Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
Seat Post
Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm
Seat Clamp
Alloy, 34.9mm

Delivery Information

Hargroves Cycles offer Free Delivery for all orders over £9 with in Mainland UK (orders below £9 will be charged £1.99)

Current disptach time of UK Bike orders is 7-10 days.
In Stock Clothing, Parts and Accessories are usually delivered within 2-4 working days, often sooner.

Bikes and Bulky items are sent via TNT Courier and smaller items are sent via Royal Mail 2nd Class Post.

Items over £50 are sent with Royal Mail 1st Class track able service which is emailed to the customer on the day of dispatch.
For full delivery details please see our Delivery Page

International Delivery

Hargroves Cycles delivery all across Europe. Goods are shipped from the UK and are subject to import duties where applicable

For further delivery, pricing and restriction information please view our International Shipping Page

Returns Information

We will happily exchange or refund any item purchased at Hargroves Cycles within 365 days, except gift vouchers and personalized products, except where faulty.

Returned goods must be unused and supplied with their original packaging, unless faulty.

For full details on our Returns procedure please visit out Returns Section.

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Questions on Specialized Demo 8 FSR I 650B Green - 2017 Mountain Bike

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You're reviewing: Specialized Demo 8 FSR I 650B Green - 2017 Mountain Bike

Hargroves Cycles have been working in partnership with Specialized Bikes since the formation of the company 25 years ago. Since then we have consistantly sold a broad range of mountain bikes, road bikes, hybrid bikes, clothing and accessories. Die hard fans of the brand will be familiar with the names Stumpjumper, Rockhopper, Hardrock, Allez and Tarmac. There arent many dealers who can claim a 25 year relationship with any brand, so if you need to know about Specialized bikes you need to talk to us.

Specialized Bikes was formed in 1974 by Mike Sinyard. In 1981 Specialized introduced the worlds first major production mountain bike - the Stumpjumper. Since then the brand has gone from strength to strength with the Rockhopper, Hardrock, FSR range, Enduro, Pitch, Tarmac, Allez, Roubaix, Transition and Langster to name but a few.

TEL. 02380 862 011
TEL. 01962 860 005
TEL. 01243 537 337
TEL. 01329 231 751
TEL. 01793 528 208
Warehouse 1
TEL. 02380 864 832
Warehouse 2
TEL. 02380 864 832
Warehouse 3
TEL. 02380 864 832
Warehouse 4
TEL. 02380 864 832

To avoid disappointment please contact the store before visiting to confirm current stock or to arrange to transfer items to desired store. Bikes require additional checks and this may affect estimated dispatch times.

  • Specialized Demo 8 FSR I 650B Green - 2017 Mountain Bike