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.
Save up to 47% with any one of our 11 Cycle to Work partners, and get the health benefits of a new bike in exchange for tax free salary sacrifice. To find out more about our various partners and how to apply click here.
Choose between Free Bike Delivery - to your home or place of work - or our new Premier Bike Delivery Service £99.99 and have your bike delivered "ready to ride" and set up to your measurements with seatpost and pedals adjusted on arrival by a qualified bike mechanic. Either way, our Customer Care team will be in touch to arrange a delivery date to suit you.
We've partnered with Laka to offer you 30 days free bike Insurance on your new bike purchase over £400. Click here for more info and find out how to claim.
Specialized Stumpjumper EVO 29" Mountain Bike
The Specialized Stumpjumper EVO 29" Mountain Bike is the perfect setup for hard, gnarly trail riding. The slackened geometry and longer top tube are tuned to deliver exceptional traction, especially at the front for maximum confidence when the terrain gets techy - think roots, big drops, kickers and rock sections.
Control is critical for both ride enjoyment and in order to handle rough trail sections where you need to lock in focus and the bike needs to feel telepathic. To achieve this the bike has optimised stiffness in key areas so that the hands and feet work perfectly in sync and the ride feels completely balanced and stable.
The bike is set up with a unique Specialized Rx Tune that finds a ride sweet spot for handling and geometry based on an optimised suspension sag value. You can further customise the ride characteristics to suit your style by using the Flip Chip that allows for up to a 6mm drop in bottom bracket height and slackens the head tube by half-a-degree.
Reliable SRAM NX Eagle 11-50t 12-speed cassette and 30t chainring will have you easily spinning back to the top of the climbs for another run down.
Features
- With its M5 alloy frame, 29 Trail EVO geometry, and 140mm of travel, the Stumpjumper EVO Alloy has been purpose-built to shred the most gravity-defying trails
- A FOX 36 Rhythm fork handles suspension duties up front, with stiff stanchions and plenty of adjustability
- The SRAM Code R brakes, with their four-piston calipers, bring some of the best stopping power out there. So, when that hard right turn or mid-trail feature sneaks up sooner than you thought, you'll still have time to scrub some speed
- Space for up to 3.0" tyre for even more control and planting the bike into berms
Technical Specification
| FRAME | Specialized M5 alloy chassis and rear-end, asymmetrical design, 29 Style-Specific EVO Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 140mm of travel |
| FORK | FOX FLOAT Rhythm 36, GRIP Damper, 44mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel |
| REAR SHOCK | FOX FLOAT DPX2 Performance, Rx Trail Tune, EVOL Air sleeve, 3-position adjustment, 210x50mm |
| HANDLEBAR | Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 800mm width |
| STEM | Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise |
| GRIPS | Specialized Sensus Lite |
| FRONT BRAKE | SRAM Code R, 4-piston caliper, hydraulic disc, 200mm |
| REAR BRAKE | SRAM Code R, 4-piston caliper, hydraulic disc, 200mm |
| FRONT DERAILLEUR | N/A |
| REAR DERAILLEUR | SRAM NX Eagle, 12-speed |
| SHIFT LEVERS | SRAM NX Eagle, trigger, 12-speed |
| CASSETTE | SRAM NX Eagle, 12-speed, 11-50t |
| CHAIN | SRAM NX Eagle, 12-speed |
| CRANKSET | SRAM NX Eagle, DUB, 170mmm, 30t chainring |
| BOTTOM BRACKET | SRAM DUB, threaded BB |
| PEDALS | Specialized Dirt |
| RIMS | Roval Traverse 29, hookless alloy, 30mm inner width, tubeless ready, 28h |
| FRONT HUB | Specialized, sealed cartridge bearings, 15x110mm spacing, 28h |
| REAR HUB | Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h |
| TYRES | Specialized Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.6" |
| SADDLE | Specialized 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, 150mm of travel |
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 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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