Specialized Stumpjumper ST Comp Alloy 29 2020
2020 Mountain
Estimate price |
3,020$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 130mm -
Travel Rear 120mm -
Fork Fox Rhythm Float 34
-
Groupset SLX, Race Face -
Suspension Full -
Drivetrain 1 × 11 -
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, 120mm of travel
Suspension Fork
FOX FLOAT RHYTHM, 34, GRIP damper, 51mm 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, 190x42.5MM
Drivetrain
Rear Derailleur
Shimano SLX, Shadow Plus, 11-speed
Shift Levers
Shimano SLX, 11-speed
Cassette
Shimano SLX, 11-speed, 11-46t
Crank
Race Face Ride, 170mm, Steel, 30T
Bottom Bracket
Threaded BB, 24mm spindle
Chain
KMC X11, 11-speed w/ Missing Link™
Wheels
Front Hub
Specialized, sealed cartridge bearings, 15x110mm thru-axle, 32h
Rear Hub
Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h
Rims
Double-wall alloy, 27mm internal width
Spokes
Stainless, 14g
Tires
Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
Brakes
Brakes
Shimano MT-501, hydraulic disc, resin pad
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, 31.8mm clamp, XS 720mm, S-XL 750mm,
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: 150mm, XL: 170mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.475 mm | 1.407 mm | 1.396 mm | mm |
| Bottom Bracket Height | 333 mm | 333 mm | 333 mm | mm |
| Front Center | 708 mm | 728 mm | 758 mm | mm |
| Rake | 51 mm | 51 mm | 51 mm | mm |
| Trail | 99 mm | 99 mm | 99 mm | mm |
| Stack | 612 mm | 612 mm | 635 mm | mm |
| Reach | 415 mm | 435 mm | 455 mm | mm |
| Top Tube Length | 570 mm | 593 mm | 624 mm | mm |
| Seat Tube Angle | 75.8 ° | 75.5 ° | 75.1 ° | ° |
| Seat Tube Length | 380 mm | 410 mm | 455 mm | mm |
| Head Tube Angle | 67.5 ° | 67.5 ° | 67.5 ° | ° |
| Head Tube Length | 100 mm | 100 mm | 125 mm | mm |
| Chainstay Length | 437 mm | 437 mm | 437 mm | mm |
| Wheelbase | 1143 mm | 1163 mm | 1192 mm | mm |
| Bottom Bracket Drop | 39 mm | 39 mm | 39 mm | mm |
| Standover Height | 750 mm | 756 mm | 769 mm | 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
Stumpjumper ST Comp Alloy 29 is a Specialized Stumpjumper model. Specialized released 352 bikes variations of this model so far. Take a sneak peek at all Specialized Stumpjumper bikes models from 2020, by clicking here.
Model range prices
The most economical model, the Specialized Stumpjumper ST Alloy 27.5 2020 has a starting price of 2010$. Specialized S-Works Stumpjumper SRAM AXS 29 2020 on the other hand is the most expensive at 10520$.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Average price for Trail bikes
If you want an acceptable Trail bike you should know that the average price is 2762$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Trail bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
At the moment of the release date, Specialized Stumpjumper ST Comp Alloy 29 price was 3020$. Comparing the average cost of a Trail bike to this one, you will see that Stumpjumper ST Comp Alloy 29 price is 9.34% more expensive.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
Stumpjumper ST Comp Alloy 29 components
Fork
Specialized Stumpjumper ST Comp Alloy 29 2020 bike is equipped with the Fox Rhythm Float 34 fork, and has 130mm travel. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Fork material
The fork is made out of aluminum, which doesn’t add too much extra weight to the bike. However, it is not so stiff as steel or carbon forks are.
Rear Shock
The Stumpjumper ST Comp Alloy 29 has a rear shock with a travel of 120mm. The model FOX FLOAT DPS Performance is the one installed in this bike. Rear shocks improve riding comfort and give you greater control over all terrains. To sum up, get a full-suspension bike if you want the smoothest rides.
Wheels
The Stumpjumper ST Comp Alloy 29 2020 bike is equipped with 29″ aluminum wheels when leaving the factory. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. 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 Stumpjumper ST Comp Alloy 29 comes with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.
Sizes
Specialized Stumpjumper ST Comp Alloy 29 bike has 4 sizes, in the range of 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
Every bike should have a dropper post, and this one does. A dropper post is a must-have these days if you’re riding anything remotely technical. The main benefit of a dropper post is increased safety while riding. As mentioned above, the lever system allows you to quickly move the saddle out of the way when approaching descents or trail obstacles.