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Stumpjumper ST Comp Carbon 29

Stumpjumper ST Comp Carbon 29

Specialized

Regular price ÂŁ2,999.00 Sale price ÂŁ3,799.00

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With the same 11m carbon construction as the S-Works, the Specialized Stumpjumper ST Comp Carbon 29 with 12-speed SRAM NX Eagle brings you transcendent handling, custom-tuned suspension, and an elimination of proprietary headaches—all while keeping the speed you look for with 29-inch wheels. And don't forget that with its "ST" distinction, this Stumpjumper gets slightly steeper angles and less suspension (130mm front/120mm rear), so you get more nimble and responsive climbing ability and sublime descending prowess.

Specialized's design goal for the new Stumpjumper was simple — build the ultimate trail bike, one that feels telepathic. And it turns out that this feeling all comes down to stiffness. Think of it this way: when the frame's telling your hands one thing and your feet another, your brain gets confused with the imbalance and the bike feels unstable. To fix this, they had to get to work on dialling-in the materials, shapes, and layout.

Specialized started by creating their mountain-specific stiffness test, and then they looked at the layout with Finite Element Analysis (FEA) to see where they could get the biggest stiffness improvements. This led to a big discovery: The Large and XL frames needed more front-end stiffness while the Smalls and Mediums were just fine. In the end, they were able to create a frame design that was 20% more efficient. And in the end, this proved to be one of the lightest trail frames on the market, today.

When designing the frame with the stiffness targets being a main goal, Specialized set out to develop a radical new sidearm design. The front-end and rear-end are connected at three points, and the sidearm helps keep all these points super stiff and connected, all while taking about 100 grams out of the rear-end. More explicitly, this minimizes frame flex when the rear suspension is active.

Continuing down the suspension path with a custom RX Trail Tune on both the fork and rear shock. Suspension performance is highly dependent on frame, wheel, and rider size, so they've used their RX Tune to get each bike to land in the middle of the adjustment spectrum, and this gives you the biggest possible range to fine-tune your ride. Another focal point of the tune was matching the suspension characteristics between wheel sizes—they even developed a specific RX Tune for each platform. So, no matter what wheel size you prefer, you'll get a perfectly linear suspension.

Steps were also taken to make this bike easy to live with. Threaded bottom brackets make a triumphant return, and Specialized has made room for up to a 3.0-inch tyre. You're also free to run whatever aftermarket rear shock you want since they are now using standard metric shocks. The bike features a revamped the SWAT™ box, too, making it sleeker, lighter, and with more volume. And customization is furthered with a Flip Chip that lets you to dial-in your Stumpy to your riding style. Switch it from High to Low and it drops your bottom bracket 6mm and slackens the head tube by half-a-degree. Little details also jump out to surprise you, like a newly designed ribbed chainstay protector that makes chain slap a thing of the past and nearly silences the drivetrain. Lastly, they seriously couldn't make cable routing any easier on carbon models. Full tubes can be found throughout the carbon frame, so all you have to do is push the cable and it'll come out the other end. No more lazy loop, hidden stashes of magnets, pokey spokes, or pillows to cry in.

The build on this Comp model comes with a list of components that deliver undeniable quality, like a 12-speed SRAM NX Eagle drivetrain, SRAM Guide R disc brakes, a FOX FLOAT Rhythm 34 for with 130mm of travel, a FOX FLOAT DPS rear shock with 120mm of travel, and Roval Traverse 29 wheels.

Highlights

  • The Stumpjumper ST's asymmetrical, FACT 11m carbon fibre construction is lightweight, stiff and ready for technical climbs and rowdy descents
  • The frame is built off Specialized's 29 Trail Geometry, so it's both capable and comfortable
  • SWAT™ integration in the down tube, a threaded BB, easy cable routing, and a brand new chain silencer, it's ready for anything the trail, or you, throw at it
  • The FOX DPS Performance rear shock features their RX Trail Tune, ensuring that no matter the frame or wheel size, your bike is dialled-in perfectly
  • SRAM's 12-speed NX Eagle groupset features a wide gear range that delivers climbing and descending efficiency in spades
Bike Specifications
  • Frame
    FACT 11m, full carbon chassis and rear-end, asymmetrical design, 29 Trail Geometry, SWAT™ Door integration, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 120mm of travel
  • Fork
    FOX FLOAT Rhythm 34, GRIP Damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 130mm of travel
  • Rear Shock
    FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 190x42.5mm
  • Rims
    Roval Traverse 29, hookless alloy, 30mm inner width, tubeless-ready
  • Hubs
    Front: Specialized, sealed cartridge bearings, 15x110mm spacing, 28h
    Rear: Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
  • Spokes
    DT Swiss Industry
  • Tyres
    Front: Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
    Rear: Purgatory, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
  • Pedals
    Specialized Dirt
  • Crank
    SRAM NX Eagle, DUB, 170mm - Steel, 30T
  • Bottom Bracket
    SRAM DUB, threaded BB
  • Chain
    SRAM NX Eagle, 12-speed
  • Cassette
    SRAM NX Eagle, 12-speed, 11-50t
  • Front Mech
    N/A
  • Rear Mech
    SRAM NX Eagle, 12-speed
  • Shifters
    SRAM NX Eagle, trigger, 12-speed
  • Handlebar
    Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm width
  • Grips
    Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
  • Stem
    Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise
  • Brakes
    SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston calliper, 200/180mm
  • Brake Levers
    SRAM Guide R
  • Saddle
    Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
  • Seatpost
    X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, S: 125mm, M/L/XL: 150mm of travel
  • Extras
    N/A

Specifications correct at time of data entry sourced from official documentation, whilst rare sometimes manufactures will change a specification without notifying their dealers.

Stumpjumper Size Guide
Frame Size Rider Height Rider Height
Small 158 - 165 5'2" - 5'5"
Medium 165 - 178 5'5" - 5'10"
Large 178 - 185 5'10" - 6'1"
XL 185 - 193 6'1" - 6'4"

Sizing charts provided as a guide, we recommend you contact us or better still, visit our store for advice.

Delivery & Returns

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FREE Delivery

Our shipping is FREE on orders over ÂŁ30* for clothing and accessories with delivery within three to four working days, alternatively you can upgrade your delivery to DPD Next Day or Royal Mail Special Delivery from just ÂŁ2.95 for next working day delivery.

All our deliveries are fully tracked and tracking information will be emailed or messaged to you when your order has left our store.

FREE Next Day Delivery

Throughout the month of August we're offering FREE next working day delivery on orders over ÂŁ50.00, simply select 'Mainland UK - DPD Delivery' at the checkout to apply.

Terms and Conditions

Excludes orders containing bikes. Sadly, we can no longer fulfill orders via DPD to addresses outside of Mainland UK, if you postcode is within AB, FK, HS, IV, KA, KW, PA, PH, ZE, IM, BT, GU or JE your order will be deferred to the next available courier or cancelled if none alternative is available.

Stock Availability

Unlike many of our competitors who depend on suppliers being able to supply products on demand, we only sell products we have in stock, this means we can ship orders placed up to 14:00 on weekdays that same day for delivery the following working day if using any of our next working day services.

Click & Collect

If you are local to our area (Carlisle), you can collect your order from our store at your convenience. Collection is free of charge and you'll be able to collect your order from our store usually within 2hrs on weekdays.

Free Local Delivery

If you live within 25km of Carlisle you should now see a Local Delivery option at the checkout which will deliver your order next working day with DPD Local, this is free of charge on orders over ÂŁ30. This service is experimental and we'd appreciate any feedback.

Delivery Pricing
  • Royal Mail Tracked 48
    Delivery typically within three to four working days
    Shipped within one working day of ordering
    FREE
    on orders over £30 otherwise £2.95
    Fully tracked and may require a signature
  • Special Delivery 1pm
    Guaranteed Delivery by 1pm Mon-Fri
    Order before 14:00 for same day shipping (Mon-Fri)
    Available on orders up to approximately 2kg
    Regional restrictions apply
    ÂŁ9.95 per order
  • DPD Next Day
    Delivery next working day
    Order before 14:00 for same day shipping (Mon-Fri)
    One hour timed slot on day of delivery
    from just £2.95 per order
    MAINLAND UK ONLY
  • DPD Saturday
    Saturday delivery
    ÂŁ8.95 per order

    Available until 14:00 on Friday
    One hour timed slot on day of delivery
    MAINLAND UK ONLY
  • Bike Delivery
    Next Day Freight Service
    FREE on bikes over £500 otherwise £29.95
    MAINLAND UK ONLY
Delivery Restrictions

For security purposes, we regrettably can no longer ship to forwarding centres, PO Boxes and locker boxes.

For some items such as bikes and electric scooters, these can only be delivered to the address provided at the time of ordering - no change of address or in-transit redirection is permitted for any consignments.

Easy Returns

If an item doesn't fit, or isn't quite what you expected then simply fill out the enclosed returns form and return your unwanted items to us within 28 days for a full refund, we'll accept orders returned to us after this period with refunds made via gift vouchers for use against future orders. Unfortunately, we're unable to cover the costs of returning items to us.

For further information please see our Refund Policy for further details.

Bike Delivery

Unfortunately we only have a contract to ship large consignments to MAINLAND UK addresses, if you live in the Highlands or on an offshore Isle please get in touch prior to purchasing as we can arrange for an ad hoc collection with Parcelforce for a fee - see details at the bottom of this section for details.

We aim to have all the bikes we stock pre-built and available for immediate purchase online and for in-store collection, once you have ordered a bike from us one of our fully trained Cytech mechanics will package your bike into one of our custom built boxes.

These extra-large boxes allow us to ship most bikes almost fully assembled but before we do so our mechanics will carry out a PDI (pre-delivery inspection) on the bike to ensure that before it's prepared for shipping everything is set up correctly, e.g. brakes, gear indexing etc.

Upon receiving your bike, you will simply need to take your new bike out of the box, turn and tighten the handlebars and fit one of the pedal (if your bike comes with pedals). In some instances, such as for road bikes, you may also need to attach the handlebars as they're too wide to simply be rotated so they'll be secured to the side of the frame with zip ties.

If you live outside of MAINLAND UK or in any of the postcodes listed below we can most likely still ship a bike to you but please get in touch as the surcharges we're billed by the courier vary from location to location.

Postcodes: AB, FK, HS, IV, KA, KW, PA, PH, ZE, IM, BT and GU, JE.

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Coronavirus

Both our retail store and online business are temporarily closed, any orders made today will be shipped when we reopen on Monday June 1st.

Thank you for your patience and understanding.

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