Rear tire: 29×2.3.
Velopedia Bicycle Archive
2020 Specialized Stumpjumper Comp Carbon 29
Original specifications: geometry for 4 published sizes.
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At a glance
- Model year
- 2020
- Category
- Mountain
- Original MSRP
- $4,520.00
- Sizes
- S, M, L, XL
- Colors
- Satin Carbon / Rocket Red
- Geometry
- 4 manufacturer sizes
- In this record
- 22 specifications · archived image · original MSRP · geometry
- Archive ID
- 900003845
Model history 3 other years
Original buildCarbon Fiber
Frameset
| Frame Construction | FACT 11m 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, 140mm of travel |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | FOX FLOAT RHYTHM, 34, GRIP damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel |
| Fork Material | Aluminum |
| Rear Shock | FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 210x50mm |
Drivetrain
| Shifters | SRAM NX Eagle, trigger, 12-speed |
|---|---|
| Rear Derailleur | SRAM NX Eagle, 12-speed |
| Crankset | SRAM NX Eagle, DUB, 170mm; chainrings: Steel, 30T |
| Bottom Bracket | SRAM DUB, BSA 73mm, Threaded |
| BB Shell Width | 73 mm |
| Cassette | SRAM NX Eagle, 12-speed, 11-50t |
| Chain | SRAM NX Eagle, 12-speed |
Brakes
| Brakes | (F) SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm / (R) SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm |
|---|
Cockpit & Contact Points
| Handlebar | Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 31.8mm clamp, XS 720mm, S-XL 750mm, |
|---|---|
| Stem | Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise |
| Saddle | Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm |
| Seatpost | X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, S: 125mm, M/L/XL: 150mm |
Wheels & Tires
| Hubs | (F) Specialized, sealed cartridge bearings, 15x110mm spacing, 28h / (R) Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h |
|---|---|
| Rims | Roval Traverse 29, hookless alloy, 30mm inner width, tubeless ready |
| Spokes | DT Swiss Industry |
| Front Tire | Butcher, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.6" |
| Rear Tire | Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.3" |
Geometry
Frame measurements by size.
Frame diagram
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 20 measurements
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 380 mm | 410 mm | 455 mm | 505 mm |
| Effective top tube | 572 mm | 595 mm | 628 mm | 662 mm |
| Head tube | 95 mm | 95 mm | 125 mm | 140 mm |
| Head-tube angle | 66.5° | 66.5° | 66.5° | 66.5° |
| Seat-tube angle | 74.8° | 74.5° | 74.1° | 73.7° |
| Chainstay / rear center | 437 mm | 437 mm | 437 mm | 437 mm |
| Wheelbase | 1149 mm | 1169 mm | 1201 mm | 1232 mm |
| Bottom-bracket drop | 33 mm | 33 mm | 33 mm | 33 mm |
| Bottom-bracket height | 342 mm | 342 mm | 342 mm | 342 mm |
| Reach | 405 mm | 425 mm | 445 mm | 470 mm |
| Stack | 614 mm | 614 mm | 641 mm | 656 mm |
| Standover height | 747 mm | 750 mm | 762 mm | 775 mm |
| Fork offset / rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Front center | 714 mm | 734 mm | 766 mm | 797 mm |
| Trail | 107 mm | 107 mm | 107 mm | 107 mm |
| Fork length / axle-to-crown | 560 mm | 560 mm | 560 mm | 560 mm |
| Seatpost length | 375 mm | 438 mm | 438 mm | 478 mm |
| Crank length | 170 mm | 170 mm | 170 mm | 170 mm |
| Stem length | 45 mm | 45 mm | 45 mm | 45 mm |
| Handlebar width | 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 XX1 Eagle 12-Speed Chain Copper, 126 links
126 links
Replacement option · verify fit
More parts (6)

SRAM DUB BSA Bottom Bracket One Color, 68mm/73mm
68mm/73mm
Replacement option · verify fit
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 23 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 Comp Carbon 29 · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: FACT 11m 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, 140mm of travel · Fork: FOX FLOAT RHYTHM, 34, GRIP damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel · Aluminum
Suspension
Evaluate the suspension →Archived: Fork: FOX FLOAT RHYTHM, 34, GRIP damper, 51mm offset, 2-position sweep adjust, 15x110mm, tapered alloy steerer, 150mm of travel · Rear shock: FOX FLOAT DPS Performance, Rx Trail Tune, rebound and 3-position compression adjust, 210x50mm
Drivetrain
Check drivetrain wear →Archived: Shifters: SRAM NX Eagle, trigger, 12-speed · Rear derailleur: SRAM NX Eagle, 12-speed · Crankset: SRAM NX Eagle, DUB, 170mm; chainrings: Steel, 30T · Bottom bracket: SRAM DUB, BSA 73mm, Threaded · Cassette: SRAM NX Eagle, 12-speed, 11-50t · Chain: SRAM NX Eagle, 12-speed
Brakes
Inspect the brakes →Archived: Brakes: (F) SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm / (R) SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm
Wheels and tires
Check wheels and tires →Archived: Rims: Roval Traverse 29, hookless alloy, 30mm inner width, tubeless ready · Hubs: (F) Specialized, sealed cartridge bearings, 15x110mm spacing, 28h / (R) Specialized, sealed cartridge bearings, 12x148mm thru-axle, 32h · Front tire: Butcher, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.6" · Rear tire: Eliminator, GRID TRAIL casing, GRIPTON® compound, 2Bliss Ready, 29x2.3"
Controls and contact points
Archived: Handlebar: Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 31.8mm clamp, XS 720mm, S-XL 750mm, · Stem: Specialized Trail, 3D-forged alloy, 4-bolt, 6-degree rise · Seatpost: X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SRL LE lever, 34.9mm, S: 125mm, M/L/XL: 150mm · Saddle: Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





