Specialized Men’s Stumpjumper ST Alloy 29 2018
2018 Mountain
Estimate price |
1,870$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 130mm -
Travel Rear 120mm -
Fork RockShox Recon Silver RL
-
Groupset SLX, NX -
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
RockShox Recon RL, Solo Air, 51mm offset, rebound adjust, lockout, 15x110mm Boost™ Maxle® Lite thru-axle, 130mm of travel
Rear Shock
X-Fusion 02 Pro RL, Rx Trail Tune, rebound adjust, lockout 190x42.5mm
Drivetrain
Rear Derailleur
Shimano SLX, Shadow Plus, GS cage, 11-speed
Shift Levers
Shimano SLX, 11-speed
Cassette
Sunrace, ED Black, 11-speed, 11-46t
Crank
SRAM NX, Boost™, direct-mount XSYNC, Powerspline, 30T
Bottom Bracket
SRAM Power Spline
Chain
KMC X11, 11-speed w/ Missing Link™
Pedals
Specialized Dirt
Wheels
Front Hub
Specialized, sealed cartridge bearings, 15x110mm spacing, 32h
Rear Hub
Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h
Rims
Double-wall, 27mm internal width, 32H
Spokes
Stainless, 14g
Tires
Butcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
Brakes
Brakes
Tektro Gemini Comp, hydraulic disc, resin pad, 200mm rotor
Cockpit
Stem
Specialized, 3D forged alloy, 4-bolt, 7-degree rise
Handlebar
Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 780mm width
Grips
Specialized Sip Grip, half-waffle, slip-on
Seat
Saddle
Body Geometry Henge Sport, steel rails, 143mm
Seatpost
Alloy, two-bolt clamp, 34.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.48 mm | 1.41 mm | 1.4 mm | 1.35 mm |
| Bottom Bracket Height | 333 mm | 333 mm | 333 mm | 333 mm |
| Front Center | 708 mm | 728 mm | 758 mm | 789 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 99 mm | 99 mm | 99 mm | 99 mm |
| Stack | 609 mm | 609 mm | 632 mm | 646 mm |
| Reach | 412 mm | 432 mm | 452 mm | 477 mm |
| Top Tube Length | 567 mm | 590 mm | 621 mm | 654 mm |
| Seat Tube Angle | 74.7 ° | 75.1 ° | 75.5 ° | 75.8 ° |
| Seat Tube Length | 380 mm | 410 mm | 455 mm | 505 mm |
| Head Tube Angle | 67.5 ° | 67.5 ° | 67.5 ° | 67.5 ° |
| Head Tube Length | 100 mm | 100 mm | 125 mm | 140 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1140 mm | 1160 mm | 1189 mm | 1220 mm |
| Bottom Bracket Drop | 39 mm | 39 mm | 39 mm | 39 mm |
| Standover Height | 747 mm | 753 mm | 766 mm | 767 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 ST Alloy 29 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 2018, here.
Model range prices
Specialized Men’s Stumpjumper ST Alloy 29 2018 is the cheapest bike model and costs 1870$. Specialized Men’s S-Works Stumpjumper ST 29 2018 is the most expensive one and costs 9520$.
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
If you want an acceptable Trail bike you should know that the average price is 2762$. However, you could also get a good Trail bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
This bike was released in 2018 and its price was 1870$. If we compare this with the average Trail bike cost we notice that the price is 47.7% smaller.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Overview of components
Fork
The RockShox Recon Silver RL is included from the factory. It has a travel distance of 130mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. In short, you should always ensure you have a good fork when purchasing a bike.
Rear Shock
The Men’s Stumpjumper ST Alloy 29 has a rear shock with a travel of 120mm. The model X-Fusion 02 Pro RL is the one installed in this bike. Rear shocks improve riding comfort and give you greater control over all terrains. To sum up, always consider getting a bike that has a rear shock as well.
Wheels size
The wheels on Men’s Stumpjumper ST Alloy 29 are the 29″ aluminum type. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Men’s Stumpjumper ST Alloy 29 comes with Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, these are ideal for anyone.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, you won’t have a problem finding one that suits you.