Specialized Men’s Stumpjumper Comp Alloy 29 – 12-speed 2020
2020 Mountain
Estimate price |
3,320$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 150mm -
Travel Rear 140mm -
Fork Fox Rhythm Float 34
-
Groupset NX Eagle -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
M5 alloy chassis and rear end, asymmetrical design, 29 Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 140mm of travel
Suspension Fork
FOX FLOAT Rhythm 34, GRIP Damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel
Rear Shock
FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 210x50mm
Drivetrain
Rear Derailleur
SRAM NX Eagle, 12-speed
Shift Levers
SRAM NX Eagle, trigger, 12-speed
Cassette
SRAM NX Eagle, 12-speed, 11-50t
Crank
SRAM NX Eagle, DUB, 170mm, Steel, 30T
Bottom Bracket
SRAM DUB, threaded BB
Chain
SRAM NX Eagle, 12-speed
Pedals
Specialized Dirt
Wheels
Front Hub
Specialized, sealed cartridge bearings, 15x110mm spacing, 28h
Rear Hub
Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h
Rims
Roval Traverse 29, hookless alloy, 30mm inner width, tubeless ready
Spokes
DT Swiss Industry
Tires
Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 29x2.6"
Brakes
Brakes
SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm
Cockpit
Stem
Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise
Handlebar
Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp
Grips
Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness
Seat
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
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.53 mm | 1.46 mm | 1.45 mm | 1.4 mm |
| Bottom Bracket Height | 341 mm | 341 mm | 341 mm | 341 mm |
| Front Center | 716 mm | 736 mm | 766 mm | 797 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 107 mm | 107 mm | 107 mm | 107 mm |
| Stack | 616 mm | 616 mm | 639 mm | 653 mm |
| Reach | 402 mm | 422 mm | 442 mm | 467 mm |
| Top Tube Length | 570 mm | 594 mm | 625 mm | 659 mm |
| Seat Tube Angle | 74.8 ° | 74.5 ° | 74.1 ° | 73.7 ° |
| Seat Tube Length | 380 mm | 410 mm | 455 mm | 505 mm |
| Head Tube Angle | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° |
| Head Tube Length | 100 mm | 100 mm | 125 mm | 140 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1148 mm | 1168 mm | 1198 mm | 1229 mm |
| Bottom Bracket Drop | 33 mm | 33 mm | 33 mm | 33 mm |
| Standover Height | 753 mm | 759 mm | 772 mm | 773 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Men’s Stumpjumper Comp Alloy 29 – 12-speed belongs to the Specialized Stumpjumper model. 352 bikes variations carry this model name so far. You can easily view all of the Specialized Stumpjumper bikes models from 2020, here.
Model range prices
Specialized Stumpjumper ST Alloy 27.5 2020 is the cheapest bike model and costs 2010$. Specialized S-Works Stumpjumper SRAM AXS 29 2020 is the most expensive one and costs 10520$.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Trail bikes
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
When Specialized released this model in 2020, its price was 3320$. Doing a quick comparison, we notice that Men’s Stumpjumper Comp Alloy 29 – 12-speed price is 20.2% higher than the average cost of a Trail bike.
Internal Cable Routing
It’s also important to mention the internal cable routing that this bike has. In short, this will allow you to keep your bike cables in great condition. Say goodbye to hanging cables.
Overview of components
Fork
The Men’s Stumpjumper Comp Alloy 29 – 12-speed comes factory-installed with the Fox Rhythm Float 34 fork. This has a travel range of 150mm. Bike forks are great for shock absorption and provide you with a smooth ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Fork material
Men’s Stumpjumper Comp Alloy 29 – 12-speed has an aluminum fork, which is a lighter material. However, it is not as tough, nor durable as steel is.
Rear Shock
As for the rear shock, this bike has the FOX FLOAT DPS Performance model, with a travel of 140mm. Bike rear shocks increase the riding comfort, and also give you more control over technical trails. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels
When it comes to wheels, the Men’s Stumpjumper Comp Alloy 29 – 12-speed bike is equipped with the 29″ aluminum model. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Men’s Stumpjumper Comp Alloy 29 – 12-speed comes with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, it won’t take much to find one that’s right for you.
Dropper post
Specialized Men’s Stumpjumper Comp Alloy 29 – 12-speed includes a dropper post. Needless to say, a dropper post will come in handy on climbs and descends. You’ll fall in love with it at first sight!