Specialized Stumpjumper Expert Carbon 27.5 2020
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Wheels 29"
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Travel Front 150mm
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Travel Rear 150mm
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Fork Fox
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Groupset GX Eagle, Truvativ Descendant
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Suspension Full
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Drivetrain 1 × 12
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Brakes Hydraulic Disc
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
FACT 11m 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, 150mm of travel
Suspension Fork
FOX FLOAT Performance, GRIP damper, 3-position micro-adjustment, tapered alloy steerer, 44mm offset, 150mm of travel
Rear Shock
FOX FLOAT DPX2 Performance, Rx Trail Tune, EVOL Air sleeve, 3-position adjustment, 210x52.5mm
Drivetrain
Rear Derailleur
SRAM GX Eagle, 12-speed
Shift Levers
SRAM GX Eagle, trigger, 12-speed
Cassette
SRAM XG-1275 Eagle, 12-speed, 10-50t
Crank
SRAM Descendant, Boost™, DUB, 170mm, Steel, 32T
Bottom Bracket
SRAM DUB, BSA 73mm, Threaded
Chain
SRAM GX Eagle, 12-speed
Wheels
Front Hub
Specialized, sealed cartridge bearings, 15x110mm spacing, 28h
Rear Hub
DT Swiss 370, 3-Pawl System, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h
Rims
Roval Traverse Carbon 27.5, hookless carbon, 30mm inner width, hand-built, 2Bliss Ready
Spokes
DT Swiss Industry
Tires
Butcher, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6"
Brakes
Brakes
SRAM Code R, 4-piston caliper, hydraulic disc, 200mm
Cockpit
Stem
Specialized Trail, forged alloy, 4-bolt, 5mm rise, 40mm
Handlebar
Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp
Grips
Deity, Knuckleduster, Black
Seat
Saddle
Body Geometry Myth:155 XS/S, Body Geometry Henge:143 M/L/XL, hollow cr-mo rails
Seatpost
X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, XS:100 mm, S: 125mm, M/L: 150mm, XL:170mm of travel
Fit data
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.44 mm | 1.43 mm | 1.37 mm | 1.37 mm | 1.33 mm |
| Bottom Bracket Height | 325 mm | 336 mm | 336 mm | 336 mm | 336 mm |
| Front Center | 696 mm | 726 mm | 748 mm | 780 mm | 812 mm |
| Rake | 46 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 103 mm | 112 mm | 112 mm | 112 mm | 112 mm |
| Stack | 578 mm | 589 mm | 593 mm | 620 mm | 634 mm |
| Reach | 402 mm | 412 mm | 432 mm | 452 mm | 477 mm |
| Top Tube Length | 541 mm | 567 mm | 592 mm | 624 mm | 657 mm |
| Seat Tube Angle | 76.5 ° | 75.3 ° | 75 ° | 74.6 ° | 74.2 ° |
| Seat Tube Length | 380 mm | 380 mm | 410 mm | 455 mm | 505 mm |
| Head Tube Angle | 66.5 ° | 65.5 ° | 65.5 ° | 65.5 ° | 65.5 ° |
| Head Tube Length | 100 mm | 105 mm | 110 mm | 140 mm | 155 mm |
| Chainstay Length | 429 mm | 429 mm | 429 mm | 429 mm | 429 mm |
| Wheelbase | 1124 mm | 1154 mm | 1176 mm | 1209 mm | 1240 mm |
| Bottom Bracket Drop | 28 mm | 21 mm | 21 mm | 21 mm | 21 mm |
| Standover Height | 739 mm | 736 mm | 740 mm | 755 mm | 771 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
Model Overview
Stumpjumper Expert Carbon 27.5 is part of the Specialized Stumpjumper model. Specialized launched 352 bikes of this model so far. You can get a glimpse at all models from 2020, by clicking on this link.
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 Enduro bikes
If you want to purchase a solid Enduro bike, it is important to know that the average cost is 3599$. However, even if your budget is less than the average, you might still be able to get a top-quality Enduro bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 5920$. In conclusion, this bike price is 64.49% higher than the price of the average Enduro bike.
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.
Stumpjumper Expert Carbon 27.5 components
Fork
The Fox is included from the factory. It has a travel distance of 150mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Fork material
When it comes to the fork, this bike has an aluminum one, so there won’t be much extra weight added to the bike. However, they are not so stiff as carbon forks are.
Rear Shock
The shock that’s installed on this bike is FOX FLOAT DPX2 Performance, with a travel distance of 150mm. Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. In short, a full-suspension bike will give you the smoothest ride possible.
Wheels
As for the wheels, Specialized Stumpjumper Expert Carbon 27.5 2020, has a 29″ carbon model. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
Nothing is more important on a bike than its ability to brake properly. Specialized Stumpjumper Expert Carbon 27.5 is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Sizes
Specialized Stumpjumper Expert Carbon 27.5 bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, you won’t have a problem finding one that suits you.
Dropper post
Specialized Stumpjumper Expert Carbon 27.5 comes with a dropper post. 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.
