Specialized Men’s Stumpjumper ST Expert 29 2018
2018 Mountain
Estimate price |
5,000$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 29" -
Travel Front 130mm -
Travel Rear 120mm -
Fork RockShox Pike RC
-
Groupset GX Eagle, Truvativ Descendant -
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
FACT 11m, full carbon chassis and rear end, asymmetrical design, 29 Trail Geometry, SWAT™ Door integration, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 120mm of travel
Suspension Fork
RockShox Pike RC, DebonAir, rebound / low-speed compression adjust, tapered steerer, 51mm offset, 15mm Maxle® Stealth thru-axle, 15x110mm Boost™, 130mm of travel
Rear Shock
RockShox Deluxe RT3, Rx Trail Tune, rebound and 3-position compression adjust, 190x42.5mm
Drivetrain
Rear Derailleur
SRAM GX Eagle, 12-speed
Shift Levers
SRAM GX Eagle, trigger, 12-speed
Cassette
SRAM GX Eagle, 12-speed, 10-50t
Crank
Truvativ Descendant, aluminum, Boost™ 148, 170mm crankarm, 24mm spindle, 30T
Bottom Bracket
SRAM GXP
Chain
SRAM GX Eagle, 12-speed w/ PowerLock®
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 Carbon 29, hookless carbon, 30mm inner width, 28h, tubeless ready, hand-built
Spokes
DT Swiss Industry
Tires
Butcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
Brakes
Brakes
SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm rotor
Cockpit
Stem
Specialized Trail, forged alloy, 4-bolt, 5mm rise
Handlebar
Specialized Trail, 7050 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, Adaptive Edge design, hollow Cr-Mo rails, 143mm
Seatpost
Command Post IRcc, 16-position micro-height adjustable, two-bolt head, bottom mount cable routing, remote SRL lever, 34.9mm, S: 130mm, M/L/XL: 160mm of travel
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.47 mm | 1.4 mm | 1.4 mm | 1.35 mm |
| Bottom Bracket Height | 333 mm | 333 mm | 333 mm | 333 mm |
| Front Center | 707 mm | 727 mm | 758 mm | 789 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 99 mm | 99 mm | 99 mm | 99 mm |
| Stack | 604 mm | 604 mm | 632 mm | 646 mm |
| Reach | 412 mm | 432 mm | 452 mm | 477 mm |
| Top Tube Length | 566 mm | 589 mm | 621 mm | 654 mm |
| Seat Tube Angle | 75.8 ° | 75.5 ° | 75.1 ° | 74.7 ° |
| 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 | 95 mm | 95 mm | 125 mm | 140 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1138 mm | 1158 mm | 1189 mm | 1220 mm |
| Bottom Bracket Drop | 39 mm | 39 mm | 39 mm | 39 mm |
| Standover Height | 737 mm | 740 mm | 752 mm | 765 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 |
Model Overview
Men’s Stumpjumper ST Expert 29 belongs to the Specialized Stumpjumper model. Specialized launched 352 bikes of this model so far. Check out the entire range from 2018 of this model, by clicking this link.
Model range prices
Specialized Men’s Stumpjumper ST Alloy 29 2018 is the most affordable bike of this model and has a price of 1870$. On the other hand, Specialized Men’s S-Works Stumpjumper ST 29 2018, is the most expensive and costs 9520$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Trail bikes
If you want to purchase a solid Trail bike, it is important to know that the average cost is 2762$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
When Specialized released this model in 2018, its price was 5000$. Doing a quick comparison, we notice that Men’s Stumpjumper ST Expert 29 price is 81.03% more expensive than the average cost of a Trail bike.
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.
Overview of components
Fork
Specialized Men’s Stumpjumper ST Expert 29 2018 bike is equipped with the RockShox Pike RC fork, and has 130mm travel. 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.
Rear Shock
Specialized Men’s Stumpjumper ST Expert 29 bike has the RockShox Deluxe RT3 model installed, and has a travel of 120mm. Rear shocks give you increased comfort, control, and traction, which is important when cornering or braking. This allows you to ride faster on bumpy roads. In short, a full-suspension bike will give you the smoothest ride possible.
Wheels
The wheels on Men’s Stumpjumper ST Expert 29 are the 29″ carbon 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
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, finding one for you shouldn’t be a problem.
Dropper post
Specialized Men’s Stumpjumper ST Expert 29 comes with a dropper post. If used correctly, a dropper post gives you more faith, maneuverability, and greater control over your bike.