Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.
We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.
Cyclescheme can save you up to 39% on a bike and accessories. Visit our Cycle to Work Scheme page to learn more and claim.
Lightweight and stiff, this unique carbon layup offers unrivalled handling and pedalling efficiency.
Hear only the sound of tyres on dirt, a ribbed chainstay protector silences your ride from chain noise.
Lightweight and durable, unique shaping and composite design allows for a virtual FlexStay pivot.
A high and low geometry FlipChip delivers 7mm of BB and half a degree of head angle adjustment.
Specialized Stumpjumper Pro Mountain Bike
Offering nothing less than top-tier performance, the Specialized Stumpjumper Pro Mountain Bike is the culmination of thousands of lab and testing hours, designed to make for a premium trail experience. Visually similar, all-new. Retaining the striking asymmetric visuals of the previous generation, this new frame has been rebuilt from the ground up to run rings around other bikes in its travel bracket. An ultralight frame provides an incredible balance of stiffness to weight, and redesigned suspension kinematics offer improved performance all over the hill.
Simply put, the new Stumpjumper rips. Destroying pre perception is what the range does best, with this new chassis truly pushing the boundaries of what is possible on a mid-travel frame. Utilising a more progressive leverage curve, the 130mm of travel works smarter, not harder. As the shock moves through its stroke, progression increases slowly to ensure every millimetre of suspension is used to the advantage of the bike. A sharp ramp at the end prevents the bike bottoming out on heavy hits, encouraging rowdy riding and boosting confidence on technical terrain. Pedalling performance has also been improved to devour quad-burning climbs with ease.
Rider-First Engineered™ sizing allows you to pick a frame size that suits your riding, not your height. Short seat tube heights allow riders to size up or down depending on preference. Size up for stability or size down for a playful ride - the choice is yours. Revised SWAT™ storage sees more room available for tools, accessories and nutrition, while still retaining incredible frame strength.
The pro-level specification ensures this ride is race-ready right out the box. Top-spec FOX Factory suspension sees Kashima coated stanchions for ultra-low breakaway forces, with the latest GRIP2 fork damper offering critically acclaimed performance in a 140mm package. Made to match, the FOX Transfer dropper seatpost adds flow to your ride on undulating terrain. The SRAM XO1 groupset is lightweight and feature-rich, and 29" Roval Traverse Carbon rims have low rotational weight for lightning-quick acceleration. Aftermarket Deity components grace the cockpit, with their Copperhead stem and tacky knuckleduster grips being specced respectively.
- 29" 11m full-carbon chassis with asymmetrical design
- Redesigned suspension kinematics for improved on-trail performance
- Shock-mounted flip-chip for geometry adjustment
- 130mm of trail-optimised travel
- FOX FLOAT 34 Factory fork and FOX FLOAT DPS Factory rear shock with custom RX Trail Tune
- SRAM XO1 12-speed groupset with G2 RSC four-piston hydraulic brakes
- Rider-First Engineered™ sizing
- Improved SWAT™ storage space
- Roval Traverse carbon wheelset with DT Swiss 350 Star Ratchet hubs
|Frame||Specialized FACT 11m carbon chassis and rear-end, asymmetrical design, 29 Trail Geometry, SWAT™ Door integration, flip-chip Head Tube/Bottom Bracket adjustment, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel|
|Fork||FOX FLOAT 34 Factory, GRIP2 damper, Kashima Coating, 15x110mm, 44mm offset, 140mm of travel|
|Rear Shock||FOX FLOAT DPS Factory, Rx Trail Tune, EVOL Air sleeve, Kashima Coat, 3-position adjustment w/ Open Mode Adjustment, 190x45mm|
|Bottom Bracket||SRAM DUB, BSA 73mm, Threaded|
|Stem||Deity Copperhead, 35.0mm|
|Handlebar||Specialized Trail, FACT Carbon, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm, 35mm|
|Grips||Deity Knuckleduster, black|
|Front Brake||SRAM G2 RSC, four-piston calliper, hydraulic disc, 200mm|
|Rear Brake||SRAM G2 RSC, four-piston calliper, hydraulic disc, 180mm|
|Brake Levers||SRAM G2 RSC|
|Rear Derailleur||Sram X01 Eagle, 12-speed|
|Shift Levers||SRAM X01, trigger, 12-speed|
|Chain||SRAM XO1, 12-speed|
|Cassette||Sram XG-1275, 12-speed, 10-52t|
|Crankset||SRAM Descendant Carbon, DUB, S1 - 165mm, S2-S5 - 170mm, S6 - 175mm, 30t|
|Front Wheel||Rim - Roval Traverse Carbon 29, hookless carbon, 30mm inner width, hand-built, 2Bliss Ready / Hub - DT Swiss 350, sealed cartridge bearings, 15x110mm spacing, 28h|
|Rear Wheel||Rim - Roval Traverse Carbon 29, hookless carbon, 30mm inner width, hand-built, 2Bliss Ready / Hub - DT Swiss 350, Star Ratchet, 36t engagement, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h|
|Front Tyre||Specialized Butcher, GRID TRAIL casing, GRIPTON® compound, 29x2.3”, tubeless-ready, folding|
|Rear Tyre||Specialized Purgatory, GRID casing, GRIPTON® compound, 29x2.3”, tubeless-ready, folding|
|Saddle||Specialized Bridge Comp, Hollow Ti rails, 155/143mm|
|Seatpost||FOX Transfer Factory, 30.9, 1X remote, (S1 - 125mm, S2/S3 - 155mm, S4-S6 - 175mm)|
|Pedals||Available to be purchased separately|
Built, Checked, Tuned and Tested
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 specified), 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.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.
Specialized Stumpjumper Pro Mountain Bike 2021 Sizing
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