Stumpjumper 15 Comp
Specialized
Trail
Stumpjumper 15 Comp is a carbon trail mountain bike (2025), by Specialized, from the Stumpjumper lineup. It is a strong match for a wide range of riders thanks to its fit flexibility, with a balanced riding position, and is well suited to natural trails and mixed off-road terrain. Metric-wise, it stands out for strong climbing friendliness for sustained uphill riding, a comfort-leaning ride feel over longer rides, and good fit flexibility for dialing in rider position. Compared with more specialized alternatives, the compromise is a value score that depends more on priorities than pure price efficiency. Compare this bike on MatchBikes.com to similar trail models.
6.6
Rating

+4
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Score Summary
Performance
7.0
Value
3.9
Fit
7.6
Performance
Built for speed and efficiency
Speed
5.2
Low
Climbing Efficiency
9.4
Mountain Goat
Suspension
7.0
High-impact ready
Fit
Dialed-in Fit & Comfort
Riding Position
6.5
Balanced
Fit Flexibility
7.2
Adjustable
Ride Comfort
8.1
Comfortable
Value
Value for Money
3.9
Overpriced
Surface Range
Natural TrailsSpecifications
General
Brand
Specialized
Model
Stumpjumper 15 Comp
Year
2025
Price
$6,826
Weight
14.87 kg
Category
Mountain
Sub Category
Trail
Groupset
X01 Eagle AXS
Frame
Frame
FACT 11m carbon chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal brake and dropper cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
Suspension Fork
FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel
Rear Shock
FOX FLOAT Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/ LSR adjustment, S1:210x52.5mm, S2-S6:210x55mm
Suspension Type
Full
Drivetrain
Shift Levers
SRAM AXS POD Controller
Rear Derailleur
SRAM S1000 Eagle Transmission Derailleur
Cassette
SRAM XS-1270 Transmission Cassette, 12spd, 10-52t
Crank
SRAM S1000 Crankset, 32T ring, Integrated Guard, 55mm Chainline, S1-S3:165mm, S4-S6: 170mm
Bottom Bracket
SRAM DUB, BSA 73mm Wide, Threaded
Chain
SRAM GX Eagle Transmission Flattop Chain
Wheels
Front Hub
Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
Rear Hub
Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
Rims
Specialized, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2:27.5, S3- S6:29
Spokes
DT Swiss Industry
Tires
Front: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3", Rear: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3"
Brakes
Brake Type
Hydraulic Disc
Brake Description
Front: SRAM Maven Bronze, 4-piston caliper, hydraulic disc, 200mm, Rear: SRAM Maven Bronze, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 200mm
Cockpit
Stem
Alloy Trail Stem, 35mm bar bore
Handlebar
Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S4: 800 width, 30mm rise: S5-S6: 800 width, 40mm rise
Grips
Specialized Trail Grips
Seat
Saddle
Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm
Seatpost
X-Fusion Manic, infinite adjustable, two-bolt head, bottom mount cable routing, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 190mm
Geometry
| Measurement | S1 | S2 | S3 | S4 | S5 | S6 |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.52 mm | 1.454 mm | 1.393 mm | 1.347 mm | 1.308 mm | 1.258 mm |
| Bottom Bracket Height | 334 mm | 337 mm | 337 mm | 337 mm | 337 mm | 337 mm |
| Front Center | 720 mm | 751 mm | 780 mm | 812 mm | 843 mm | 879 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 129 mm | 130 mm | 130 mm | 130 mm | 130 mm | 130 mm |
| Stack | 608 mm | 618 mm | 627 mm | 640 mm | 654 mm | 667 mm |
| Reach | 400 mm | 425 mm | 450 mm | 475 mm | 500 mm | 530 mm |
| Top Tube Length | 541 mm | 573 mm | 595 mm | 624 mm | 647 mm | 677 mm |
| Seat Tube Angle | 78 ° | 77 ° | 77 ° | 76.5 ° | 76.5 ° | 76.5 ° |
| Seat Tube Length | 385 mm | 385 mm | 405 mm | 425 mm | 445 mm | 465 mm |
| Head Tube Angle | 64.5 ° | 64.5 ° | 64.5 ° | 64.5 ° | 64.5 ° | 64.5 ° |
| Head Tube Length | 95 mm | 100 mm | 110 mm | 125 mm | 140 mm | 155 mm |
| Chainstay Length | 430 mm | 432 mm | 435 mm | 435 mm | 445 mm | 445 mm |
| Wheelbase | 1149 mm | 1181 mm | 1213 mm | 1244 mm | 1285 mm | 1322 mm |
| Bottom Bracket Drop | 41 mm | 38 mm | 38 mm | 38 mm | 38 mm | 38 mm |
| Standover Height | 738 mm | 751 mm | 745 mm | 745 mm | 745 mm | 751 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 149 cm | 157 cm | 165 cm | 172 cm | 177 cm | 188 cm |
| Rider Max Height | 160 cm | 172 cm | 180 cm | 188 cm | 193 cm | 203 cm |




























































