Specialized Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed 2019
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Wheels 27.5"
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Travel Front 130mm
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Travel Rear 130mm
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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
FACT 11m, full carbon chassis and rear end, asymmetrical design, 27.5 Trail Geometry, SWAT™ Door integration, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel
Suspension Fork
FOX FLOAT Rhythm 34, GRIP Damper, 44mm 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, 190x45.0mm
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, 32T
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 27.5, hookless alloy, 30mm inner width, tubeless ready
Spokes
DT Swiss Industry
Tires
Butcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.3"
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, 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
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 | 1.38 mm | 1.33 mm | 1.33 mm | 1.29 mm |
| Bottom Bracket Height | 325 mm | 325 mm | 325 mm | 325 mm |
| Front Center | 718 mm | 739 mm | 772 mm | 803 mm |
| Rake | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 103 mm | 103 mm | 103 mm | 103 mm |
| Stack | 583 mm | 587 mm | 615 mm | 628 mm |
| Reach | 422 mm | 441 mm | 462 mm | 487 mm |
| Top Tube Length | 565 mm | 588 mm | 621 mm | 654 mm |
| Seat Tube Angle | 76.3 ° | 76 ° | 75.6 ° | 75.2 ° |
| 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 | 105 mm | 110 mm | 140 mm | 155 mm |
| Chainstay Length | 429 mm | 429 mm | 429 mm | 429 mm |
| Wheelbase | 1146 mm | 1167 mm | 1200 mm | 1231 mm |
| Bottom Bracket Drop | 28 mm | 28 mm | 28 mm | 28 mm |
| Standover Height | 728 mm | 732 mm | 747 mm | 763 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed belongs to the Specialized Stumpjumper model. 352 bikes variations carry this model name so far. Take a sneak peek at all Specialized Stumpjumper bikes models from 2019, by clicking here.
Model range prices
The most economical model, the Specialized Men’s Stumpjumper ST 29 2019 has a starting price of 1870$. Specialized S-Works Stumpjumper 27.5 2019 on the other hand is the most expensive at 9520$.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Trail bikes average price
According to our math, the average price for a trustworthy Trail bike is 2762$. However, even though the average price of a Trail bike is lower, you might still be able to get a top-quality bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
At the moment of the release date, Specialized Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed price was 4520$. Comparing this to the average Trail bike price, we see that the price is 63.65% higher.
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 fork installed on this bike is the Fox Rhythm Float 34 model. The travel on this model is 130mm. Bike forks are great for shock absorption and provide you with a smooth ride. In short, you should always ensure you have a good fork when purchasing a bike.
Fork material
The fork on this bike is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.
Rear Shock
The Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed has a rear shock with a travel of 130mm. The model FOX FLOAT DPS Performance is the one installed in this bike. 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 leaving the production line, the Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed model has 27.5″ aluminum wheels. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed comes with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, your safety is in good hands.
Sizes
Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed comes in 4 sizes, that range from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.
Dropper post
Specialized Men’s Stumpjumper ST Comp Carbon 27.5 – 12-speed includes a dropper post. If used correctly, a dropper post gives you more faith, maneuverability, and greater control over your bike.
