Specialized Men’s Stumpjumper Comp Alloy 29 – 12-speed 2019
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 29"
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Travel Front 150mm
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Travel Rear 140mm
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Fork Fox Rhythm Float 34
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Groupset NX Eagle
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Suspension Full
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Drivetrain 1 × 12
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Brakes Hydraulic Disc
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
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
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. Specialized released 352 bikes variations of this model so far. Check out the entire range from 2019 of this model, by clicking this link.
Model range prices
Specialized Men’s Stumpjumper ST 29 2019 is the most economical model, with a starting price of 1870$. Specialized S-Works Stumpjumper ST 29 2019 on the other hand costs 9520$, and is the most expensive model.
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.
Trail bikes average price
If you want to purchase a solid Trail bike, it is important to know that the average cost is 2762$. However, you could also get a good Trail bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 3320$. Comparing the average cost of a Trail bike to this one, you will see that Men’s Stumpjumper Comp Alloy 29 – 12-speed price is 20.2% more expensive.
Internal Cable Routing
Another thing to mention, is the internal cable routing of this bike. In conclusion, this helps you too, keep the bike cables in mint condition, and also it looks better. No more cables, surrounding the bike.
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 perfect to absorb shocks and provide a great riding experience overall. In short, you should always ensure you have a good fork when purchasing a bike.
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
The Men’s Stumpjumper Comp Alloy 29 – 12-speed has a rear shock with a travel of 140mm. The model FOX FLOAT DPS Performance is the one installed in this bike. Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. In short, if you want smooth rides, get a full-suspension bicycle.
Wheels
When leaving the production line, the Men’s Stumpjumper Comp Alloy 29 – 12-speed model has 29″ aluminum wheels. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, 29″ wheels will make your bike react slower to obstacles you may encounter.
Brakes
For your safety, it is important to have quality breaks on your bike. Specialized Men’s Stumpjumper Comp Alloy 29 – 12-speed has Hydraulic Disc brakes installed. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, you can ride your bike with confidence.
Sizes
Men’s Stumpjumper Comp Alloy 29 – 12-speed comes in 4 sizes, that range from 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, it won’t be difficult to find the right one for you.
Dropper post
Every bike should have a dropper post, and this one does. If you are a technical rider, a dropper post is essential. A dropper post provides increased safety while riding. The lever system, allows you to move your saddle up and down, which is very useful on climbs and descends.
