Specialized Women’s Stumpjumper ST Alloy 27.5 2018
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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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 RockShox Recon Silver RL
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Groupset SLX, NX
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Suspension Full
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Drivetrain 1 × 11
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Brakes Hydraulic Disc
Recommended size guide.
XS
151cm - 164cm
SM
159cm - 170cm
MD
165cm - 177cm
LG
171cm - 184cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
M5 alloy chassis and rear end, asymmetrical design, 27.5 Trail Geometry, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel
Suspension Fork
RockShox Recon RL, Solo Air, 42mm offset, rebound adjust, lockout, 15x110mm Boost™ Maxle® Lite thru-axle, 130mm of travel
Rear Shock
X-Fusion 02 Pro RL, Women's Rx Tune, rebound adjust, lockout, 190x45.0mm
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 Power Spline, aluminum, Boost™ 148, XS: 165mm crankarms, SM-LG: 170mm crankarms, 32T
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, 27.5 x 2.3"
Brakes
Brakes
Tektro Gemini Comp, hydraulic disc, resin pad, 180/200mm rotor
Cockpit
Stem
Specialized, 3D forged alloy, 4-bolt, 7-degree rise
Handlebar
Specialized, 6061 alloy, 6-degree upsweep, 8-degree backsweep, 27mm rise, 750mm width
Grips
Specialized Sip Grip, half-waffle, slip-on
Seat
Saddle
Body Geometry Myth Sport, steel rails, 155mm
Seatpost
Alloy, two-bolt clamp, 34.9mm
Fit data
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG |
|---|---|---|---|---|
| Stack Reach Ratio | 1.44 mm | 1.38 mm | 1.33 mm | 1.33 mm |
| Bottom Bracket Height | 325 mm | 325 mm | 325 mm | 325 mm |
| Front Center | 696 mm | 718 mm | 739 mm | 772 mm |
| Rake | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 103 mm | 103 mm | 103 mm | 103 mm |
| Stack | 578 mm | 583 mm | 587 mm | 615 mm |
| Reach | 402 mm | 422 mm | 441 mm | 462 mm |
| Top Tube Length | 541 mm | 565 mm | 588 mm | 621 mm |
| Seat Tube Angle | 75.6 ° | 76 ° | 76.3 ° | 76.5 ° |
| Seat Tube Length | 380 mm | 380 mm | 410 mm | 455 mm |
| Head Tube Angle | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° |
| Head Tube Length | 100 mm | 105 mm | 110 mm | 140 mm |
| Chainstay Length | 429 mm | 429 mm | 429 mm | 429 mm |
| Wheelbase | 1124 mm | 1146 mm | 1167 mm | 1200 mm |
| Bottom Bracket Drop | 28 mm | 28 mm | 28 mm | 28 mm |
| Standover Height | 739 mm | 741 mm | 746 mm | 758 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 151 cm | 159 cm | 165 cm | 171 cm |
| Rider Max Height | 164 cm | 170 cm | 177 cm | 184 cm |
Model Overview
Women’s Stumpjumper ST Alloy 27.5 is a 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 cheapest bike model and costs 1870$. Specialized Men’s S-Works Stumpjumper ST 29 2018 is the most expensive one and costs 9520$.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Trail bikes
If you want an acceptable Trail bike you should know that the average price is 2762$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Trail bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 1870$. If we compare this with the average Trail bike cost we notice that the price is 47.7% smaller.
Internal Cable Routing
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.
Women’s Stumpjumper ST Alloy 27.5 components
Fork
This bike has the RockShox Recon Silver RL fork installed. The fork’s travel is 130mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. In conclusion, always look for a fork with decent travel when you buy a bike.
Rear Shock
Specialized Women’s Stumpjumper ST Alloy 27.5 bike has the X-Fusion 02 Pro RL model installed, and has a travel of 130mm. Bike rear shocks increase the riding comfort, and also give you more control over technical trails. In short, if you want smooth rides, get a full-suspension bicycle.
Wheels size
When it comes to wheels, the Women’s Stumpjumper ST Alloy 27.5 bike is equipped with the 27.5″ aluminum model. The 27.5″ wheels are a great choice for smaller riders. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Specialized Women’s Stumpjumper ST Alloy 27.5 has Hydraulic Disc brakes installed. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Sizes
Women’s Stumpjumper ST Alloy 27.5 comes in 4 sizes, that range from 151 cm – 184 cm (4.95 ft – 6.04 ft). In short, it won’t be difficult to find the right one for you.
