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 Comp Alloy 27.5 Mountain Bike 2020
The Stumpjumper Evo Comp Alloy 27.5 Mountain Bike from Specialized has a host of features that elevate it above the normal Stumpjumper in the gnarliness stakes. The bike is based around a frame that is longer, lower and slacker to improve handling and front-end traction, with the 27.5” wheels helping keep the bike nimble. Both the front and rear ends get 150mm of travel courtesy of a FOX FLOAT DPX2 Performance rear shock and a FOX FLOAT 36 Rhythm fork, whilst the stiffness and bump performance has been increased too.
The SRAM NX Eagle 1x drivetrain has a 50-tooth cassette for winching up steep climbs and four-piston SRAM Code R hydraulic brakes for tireless performance on the descents. A wide 800mm handlebar, 2.6” tyres and X-Fusion Manic dropper seatpost also all add to the bike’s playful credentials.
Features
- Specialized M5 alloy frame with FOX FLOAT DPX2 Performance shock and 150mm travel
- FOX FLOAT 36 Rhythm fork with 150mm travel
- SRAM Code R, 4-piston, hydraulic disc brakes
- Roval Traverse 27.5” wheels with Butcher Grid Trail 2Bliss Ready, 2.6” tyres
- SRAM NX Eagle, 12-speed drivetrain
- X-Fusion Manic dropper seatpost
Technical Specification
| FRAME | Specialized M5 alloy frame, asymmetrical design, 27.5 style-specific EVO Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 150mm of travel |
| FORK | FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 37mm offset, 150mm of travel |
| REAR SHOCK | FOX FLOAT DPX2 Performance, Rx Trail Tune, EVOL Air sleeve, 3-position adjustment, 210x52.5mm |
| STEM | Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise |
| HANDLEBAR | Specialized, 7050 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 800mm width |
| GRIPS | Deity, Knuckleduster, Black |
| FRONT BRAKE | SRAM Code R, 4-piston caliper, hydraulic disc, 200mm |
| REAR BRAKE | SRAM Code R, 4-piston caliper, hydraulic disc, 200mm |
| BRAKE LEVERS | SRAM Code R |
| 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 |
| CRANKSET | SRAM NX Eagle, DUB, 165mm, 32T |
| CHAIN | SRAM NX Eagle, 12-speed |
| FRONT WHEEL | Hub - Specialized, sealed cartridge bearings, 15x110mm spacing, 28h / spokes - DT Swiss Industry / rim - Roval Traverse 27.5", hookless alloy, 30mm inner width, tubeless-ready |
| REAR WHEEL | Hub - Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h / spokes - DT Swiss Industry / rim - Roval Traverse 27.5", hookless alloy, 30mm inner width, tubeless-ready |
| FRONT TYRE | Specialized Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6" clincher |
| REAR TYRE | Specialized Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6" clincher |
| SADDLE | Specialized Body Geometry Henge 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 |
| PEDALS | Specialized Dirt |
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.
Unable to display Reviews due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".
Unable to display Q&A due to Privacy Settings.
Adjust your Cookie Preferences to Opt-in "YES" to "Functional Cookies".