2026 Trek Fuel MX 9.8 Gen 7 vs 2024 Specialized Stumpjumper EVO Alloy LTD
The Specialized Stumpjumper EVO Alloy LTD size closest to your L is the S4. Compare the S4 instead
What changes on the Specialized Stumpjumper EVO Alloy LTD
Compared with the Trek Fuel MX 9.8 Gen 7 in L, the Specialized Stumpjumper EVO Alloy LTD in S3 places the top of the head tube 15 mm lower and 34 mm further back, relative to the bottom bracket. Its wheelbase is 45 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −15 mm
- Lower front end
- Frame reach
- −34 mm
- Shorter frame reach
- Wheelbase
- −45 mm
- Shorter: quicker to change direction
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +2 mm
- About the same
The two frames
Trek Fuel MX 9.8 Gen 7, LSpecialized Stumpjumper EVO Alloy LTD, S3Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel MX 9.8 Gen 7 L | Specialized Stumpjumper EVO Alloy LTD S3 | Difference |
|---|---|---|---|
| Reach | 482 | 448mm | −34 mm |
| Stack | 641 | 626mm | −15 mm |
| Head tube angle | 64.2° | 64.5° | +0.3° |
| Seat tube angle | 77.0° | 77.2° | +0.2° |
| Effective top tube | 618 | not listed | |
| Chainstay length | 439 | 441mm | +2 mm |
| Wheelbase | 1264 | 1219mm | −45 mm |
| BB drop | 31 | 35mm | +4 mm |
| BB height | 343 | 340mm | −3 mm |
| Standover | 754 | 757mm | +3 mm |
| Seat tube length | 420 | 405mm | −15 mm |
| Head tube length | 125 | 105mm | −20 mm |
Differences are the Specialized Stumpjumper EVO Alloy LTD minus the Trek Fuel MX 9.8 Gen 7. Full charts: 2026 Trek Fuel MX 9.8 Gen 7, 2024 Specialized Stumpjumper EVO Alloy LTD.
Where each sits in its class
Trek Fuel MX 9.8 Gen 7Specialized Stumpjumper EVO Alloy LTD
Each bike is ranked against the other trail bikes on Quiver, 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 | Trek Fuel MX 9.8 Gen 7 | Specialized Stumpjumper EVO Alloy LTDAlloy LTD |
|---|---|---|
| Fork | not listed | Fox 36 Factory |
| Rear shock | not listed | Fox Float X Factory |
| Shifter | not listed | SRAM GX Eagle |
| Derailleur | not listed | SRAM GX Eagle AXS |
| Cassette | not listed | SRAM X01 Eagle |
| Chain | not listed | SRAM GX Eagle |
| Crankset | not listed | SRAM GX Eagle |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Specialized Alloy |
| Tire | not listed | Specialized Butcher, Specialized Eliminator |
| Hub | not listed | Roval DT Swiss 370 |
| Rim | not listed | Roval Traverse |
| Brake | not listed | SRAM Code RS |
| Stem | not listed | Trail |
| Grips | not listed | Deity Lockjaw |
| Headset | not listed | Angle Adjust |
| Dropper post | not listed | X-Fusion Manic |
| Seatpost | not listed | X-Fusion Manic |
| Saddle | not listed | Bridge |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
