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Description
After a fun, 'go anywhere' mountain bike? The Specialized Fatboy Mountain Bike 2015 is just for you. Using a lightweight, stiff aluminium frame and pairing to with fat, mountain bike tyres. Fat Bike geometry offers a comfortable yet engaging ride, leaving you in the optimum position for handling this beast of a bike.
New Specialized M4 Premium Aluminium has been used in the frame, to make it incredibly lightweight, stiff and comfortable. Performance is delivered with a new Specialized full monocoque FACT carbon fork. This setup provides adequate clearance for 5 inch tyres.
SRAM, Tektro and KMC provide strong, durable and attractive components.
Specialized handlebars, stem and seatpost are all ergonomically designed, stiff and lightweight, while the Specialized Fatboy SL alloy disc wheels are durable, roll smoothly and being disc equipped, stop powerfully.
A fantastic handling mountain bike that benefits from the Specialized Ground Control Fat tyres being added. 26 inch and 4.6 inches wide for impressive levels of grip, puncture resistance and low rolling resistance.
Sit comfortably on the Fatboy, on the Specialized Body Geometry Mountain saddle, designed specifically for mountain biking. Comfortable, supportive and durable.
Hydraulic Tektro Gemini disc brakes offer excellent stopping modulation, are easy to maintain and work perfectly whatever the weather or however muddy your bike gets.
FRAME New Specialized M4 Premium Aluminium, Fat Bike Geometry, fully butted w/ smooth welds, tapered headtube, post-mount disc dropouts, replaceable alloy derailleur hanger
FORK Specialized FACT carbon, full monocoque, tapered steerer
HEADSET 1-1/8" upper, 1-1/2" lower, Campy style, integrated sealed cartridge bearings
STEM Specialized, 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
HANDLEBAR Specialized, low rise, double butted 6061 alloy, 9-degree backsweep, 5-degree upsweep, 15mm rise, 31.8mm
GRIPS SRAM, S-Series Grip Shift, 92mm
FRONT BRAKE Tektro Gemini, hydraulic disc, resin pads
REAR BRAKE Tektro Gemini, hydraulic disc, resin pads
BRAKE LEVERS Tektro Gemini, hydraulic disc
FRONT DERAILLEUR SRAM X7, 2x10, low direct mount
REAR DERAILLEUR SRAM X7 Type 2, 10-speed, medium cage
SHIFT LEVERS SRAM S-Series, Grip Shift, 10-speed
CASSETTE Sunrace, 10-speed, 11-36
CHAIN KMC X10L, 10-speed, reusable Missing Link
CRANKSET Custom 2x10, alloy, 100mm CNC spindle, w/ BB
BOTTOM BRACKET Samox, PF30
PEDALS Nylon platform w/ moulded pins, loose ball, 9/16"
RIMS Specialized Fat 26" disc, alloy single wall, pin joint, 32h, w/ Fatboy logo
FRONT HUB Specialized MTB Hi Lo disc, alloy, sealed cartridge bearings, QR, 32h
SPOKES Stainless, 14g
TYRES Specialized Ground Control Fat, 120TPI, folding bead, 26x4.6"
INNER TUBES Standard presta valve
SADDLE Specialized Body Geometry mountain, steel rails, 143mm
SEATPOST Alloy, 2-bolt, 12.5mm offset, 30.9mm, anti-corrosion hardware
SEAT BINDER Alloy, 34.9mm
Image shown for representation of colour way only, specification subject to change at any time. Bicycles do not come with pedals unless otherwise specified.
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
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Important Update for Our Canadian Customers
We regret to inform you that shopping on Sigma Sports is temporarily unavailable for customers based in Canada.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our Canadian community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
If you require any further assistance, please reach out to the customer services team
— The Sigma Sports Team