Specialized Stumpjumper vs Specialized Epic
Choosing between the Specialized Stumpjumper and the Specialized Epic? This compares the 2026 Specialized Stumpjumper 15 with the 2025 Specialized Epic Hardtail Comp, size by size, from the geometry Specialized publishes. Pick any size to compare it in the full tool.
The L is the Specialized Epic Hardtail Comp size closest to your S3 Specialized Stumpjumper 15. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Epic Hardtail Comp
Compared with the Specialized Stumpjumper 15 in S3, the Specialized Epic Hardtail Comp in L places the top of the head tube 8 mm lower and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 69 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- −69 mm
- Shorter: quicker to change direction
- Head angle
- +4.5°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
Which Specialized Epic Hardtail Comp size matches your Specialized Stumpjumper 15
For each Specialized Stumpjumper 15 size, the Specialized Epic Hardtail Comp size with the closest frame stack and reach. Stack and reach show how far off it is: the Specialized Epic Hardtail Comp minus the Specialized Stumpjumper 15. A geometry match, not a fit recommendation.
| Specialized Stumpjumper 15 size | Closest size | Stack | Reach |
|---|---|---|---|
| S1 | S | −3 mm | +5 mm |
| S2 | M | −13 mm | +10 mm |
| S3 | L | −8 mm | +10 mm |
| S4 | XL | −8 mm | +10 mm |
| S5 | XL | −22 mm | −15 mm |
| S6 | XL | −35 mm | −45 mm |
The two frames
Specialized Stumpjumper 15, S3Specialized Epic Hardtail Comp, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 S3 | Specialized Epic Hardtail Comp L | Difference |
|---|---|---|---|
| Reach | 445 | 455mm | +10 mm |
| Stack | 630 | 622mm | −8 mm |
| Head tube angle | 64 | 68.5° | +4.5° |
| Seat tube angle | 76.5 | 74° | −2.5° |
| Effective top tube | 596 | 633mm | +37 mm |
| Chainstay length | 435 | 430mm | −5 mm |
| Wheelbase | 1217 | 1148mm | −69 mm |
| BB drop | 35 | 63mm | +28 mm |
| BB height | 340 | 309mm | −31 mm |
| Standover | 745 | 816mm | +71 mm |
| Seat tube length | 405 | 470mm | +65 mm |
| Fork length | not listed | 506mm | |
| Head tube length | 110 | 110mm | ±0 mm |
Differences are the Specialized Epic Hardtail Comp minus the Specialized Stumpjumper 15. Full charts: 2026 Specialized Stumpjumper 15, 2025 Specialized Epic Hardtail Comp.
Where each sits in its class
Specialized Stumpjumper 15Specialized Epic Hardtail Comp
Each bike is ranked against its own type on Quiver (trail and xc), on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Stumpjumper 15S-Works | Specialized Epic Hardtail CompHardtail Comp |
|---|---|---|
| Frame | Specialized FACT 11m | Specialized FACT 11m |
| Fork | Fox 36 Float Factory | RockShox SID SL |
| Rear shock | Fox Float X Factory | not listed |
| Shifter | Shimano XTR M9250 | SRAM Pod Controller |
| Derailleur | Shimano XTR Di2 | SRAM S1000 Eagle Transmission |
| Cassette | Shimano XTR | SRAM 1270 Transmission |
| Chain | Shimano XTR | SRAM GX Eagle Transmission |
| Crankset | Shimano XTR | SRAM S1000 Eagle |
| Chainring | Shimano XTR | not listed |
| Bottom bracket | Shimano BB93 | SRAM DUB |
| Wheelset | Roval Traverse SL II | Specialized 29 |
| Tire | Specialized Butcher, Specialized Eliminator | Specialized Fast Trak, Specialized Renegade |
| Hub | Industry Nine Hydra 2 | not listed |
| Brake | Shimano XTR | SRAM Level Bronze |
| Rotor | Shimano XTR | SRAM 180, SRAM 160 |
| Handlebar | Race Face Era Carbon | Specialized Mini Rise |
| Stem | Race Face Turbine R | Specialized 3D-Forged Alloy |
| Grips | Deity Lockjaw | Specialized Trail Grips |
| Dropper post | Fox Transfer NEO Factory | not listed |
| Saddle | Specialized S-Works Power | Specialized Power Sport |
| Seatpost | not listed | Specialized Alloy |