Rear tire: 27.5×2.6.
Velopedia Bicycle Archive
2020 Specialized Stumpjumper Expert Carbon 27.5
Original specifications: geometry for 5 published sizes.
Selling this bike? Get the spec link and selling options
At a glance
- Model year
- 2020
- Category
- Mountain
- Original MSRP
- $5,920.00
- Sizes
- XS, S, M, L, XL
- Colors
- Gloss Navy / White Mountains, Satin Taupe / Sunset, Gloss Pro Blue / Vivid Pink
- Geometry
- 5 manufacturer sizes
- In this record
- 23 specifications · 8 archived images · original MSRP · geometry
- Archive ID
- 900003829
Original buildCarbon Fiber
Frameset
| Frame Construction | 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 |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | FOX FLOAT Performance, GRIP damper, 3-position micro-adjustment, tapered alloy steerer, 44mm offset, 150mm of travel |
| Fork Material | Aluminum |
| Rear Shock | FOX FLOAT DPX2 Performance, Rx Trail Tune, EVOL Air sleeve, 3-position adjustment, 210x52.5mm |
Drivetrain
| Shifters | SRAM GX Eagle, trigger, 12-speed |
|---|---|
| Rear Derailleur | SRAM GX Eagle, 12-speed |
| Crankset | SRAM Descendant, Boost™, DUB, 170mm; chainrings: Steel, 30T |
| Bottom Bracket | SRAM DUB, BSA 73mm, Threaded |
| BB Shell Width | 73 mm |
| Cassette | SRAM XG-1275 Eagle, 12-speed, 10-50t |
| Chain | SRAM GX Eagle, 12-speed |
| Pedals | Test Ride Pedals Provided by Specialized |
Brakes
| Brakes | (F) SRAM Code R, 4-piston caliper, hydraulic disc, 200mm / (R) SRAM Code R, 4-piston caliper, hydraulic disc, 180mm |
|---|
Cockpit & Contact Points
| Handlebar | Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp |
|---|---|
| Stem | Specialized Trail, forged alloy, 4-bolt, 5mm rise, 40mm |
| Saddle | Bridge 155 S2, Bridge 143 S3/S4/S5, 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 |
Wheels & Tires
| Hubs | (F) Specialized, sealed cartridge bearings, 15x110mm spacing, 28h / (R) 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 370, 3-Pawl System, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h |
| Front Tire | Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6" |
| Rear Tire | Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6" |
Geometry
Frame measurements by size.
Frame diagram
Select an available measurement to locate it on the frame.
All geometry measurements5 sizes · 20 measurements
| Measurement | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Seat tube | 380 mm | 380 mm | 410 mm | 455 mm | 505 mm |
| Effective top tube | 544 mm | 570 mm | 595 mm | 627 mm | 660 mm |
| Head tube | 100 mm | 105 mm | 110 mm | 140 mm | 155 mm |
| Head-tube angle | 66.5° | 65.5° | 65.5° | 65.5° | 65.5° |
| Seat-tube angle | 76.5° | 75.3° | 75° | 74.6° | 74.2° |
| Chainstay / rear center | 432 mm | 432 mm | 432 mm | 432 mm | 432 mm |
| Wheelbase | 1127 mm | 1157 mm | 1179 mm | 1212 mm | 1243 mm |
| Bottom-bracket drop | 28 mm | 21 mm | 21 mm | 21 mm | 21 mm |
| Bottom-bracket height | 325 mm | 336 mm | 336 mm | 336 mm | 336 mm |
| Reach | 405 mm | 415 mm | 435 mm | 455 mm | 480 mm |
| Stack | 581 mm | 592 mm | 596 mm | 623 mm | 637 mm |
| Standover height | 742 mm | 739 mm | 743 mm | 758 mm | 774 mm |
| Fork offset / rake | 46 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Front center | 696 mm | 726 mm | 748 mm | 780 mm | 812 mm |
| Trail | 103 mm | 112 mm | 112 mm | 112 mm | 112 mm |
| Fork length / axle-to-crown | 522 mm | 542 mm | 542 mm | 542 mm | 542 mm |
| Seatpost length | 325 mm | 375 mm | 438 mm | 438 mm | 478 mm |
| Crank length | 170 mm | 170 mm | 170 mm | 170 mm | 170 mm |
| Stem length | 40 mm | 40 mm | 40 mm | 50 mm | 50 mm |
| Handlebar width | 780 mm | 780 mm | 780 mm | 780 mm | 780 mm |
Dimensions as recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Parts & serviceability
Find replacement parts

SRAM GX Eagle 12-Speed Chain Silver, 126 links
126 links

SRAM XG-1275 GX Eagle 12-Speed Cassette Black, 10-50t
10-50t
More parts (6)

CeramicSpeed BSA29 MTB Bottom Bracket Black, English Threaded, Sram DUB MTB
Sram DUB MTB
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Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2020 Specialized Stumpjumper Expert Carbon 27.5 · Mountain · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: 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 · Fork: FOX FLOAT Performance, GRIP damper, 3-position micro-adjustment, tapered alloy steerer, 44mm offset, 150mm of travel · Aluminum
Suspension
Evaluate the suspension →Archived: 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
Check drivetrain wear →Archived: Shifters: SRAM GX Eagle, trigger, 12-speed · Rear derailleur: SRAM GX Eagle, 12-speed · Crankset: SRAM Descendant, Boost™, DUB, 170mm; chainrings: Steel, 30T · Bottom bracket: SRAM DUB, BSA 73mm, Threaded · Cassette: SRAM XG-1275 Eagle, 12-speed, 10-50t · Chain: SRAM GX Eagle, 12-speed
Brakes
Inspect the brakes →Archived: Brakes: (F) SRAM Code R, 4-piston caliper, hydraulic disc, 200mm / (R) SRAM Code R, 4-piston caliper, hydraulic disc, 180mm
Wheels and tires
Check wheels and tires →Archived: Rims: Roval Traverse Carbon 27.5, hookless carbon, 30mm inner width, hand-built, 2Bliss Ready · Hubs: (F) Specialized, sealed cartridge bearings, 15x110mm spacing, 28h / (R) DT Swiss 370, 3-Pawl System, SRAM XD driver body, 12mm thru-axle, 148mm spacing, 28h · Front tire: Butcher, GRID casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6" · Rear tire: Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.6"
Controls and contact points
Archived: Handlebar: Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp · Stem: Specialized Trail, forged alloy, 4-bolt, 5mm rise, 40mm · 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 · Saddle: Bridge 155 S2, Bridge 143 S3/S4/S5, Hollow cr-mo rails · Pedals: TEST RIDE PEDALS PROVIDED BY SPECIALIZED
Before and during the test ride
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Gallery8 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




