2026 Trek Fuel EX Gen 7 vs 2024 Specialized Stumpjumper EVO Alloy LTD
The S4 is the Specialized Stumpjumper EVO Alloy LTD size closest to your L Trek Fuel EX Gen 7. 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 Stumpjumper EVO Alloy LTD
Compared with the Trek Fuel EX Gen 7 in L, the Specialized Stumpjumper EVO Alloy LTD in S4 places the top of the head tube 3 mm lower and 10 mm further back, relative to the bottom bracket. Its wheelbase is 13 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −3 mm
- Lower front end
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- −13 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −1 mm
- About the same
The two frames
Trek Fuel EX Gen 7, LSpecialized Stumpjumper EVO Alloy LTD, S4Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX Gen 7 L | Specialized Stumpjumper EVO Alloy LTD S4 | Difference |
|---|---|---|---|
| Reach | 485 | 475mm | −10 mm |
| Stack | 638 | 635mm | −3 mm |
| Head tube angle | 64.5° | 64.5° | ±0.0° |
| Seat tube angle | 77.4° | 76.9° | −0.5° |
| Effective top tube | 617 | not listed | |
| Chainstay length | 442 | 441mm | −1 mm |
| Wheelbase | 1262 | 1249mm | −13 mm |
| BB drop | 35 | 35mm | ±0 mm |
| BB height | 339 | 340mm | +1 mm |
| Standover | 747 | 760mm | +13 mm |
| Seat tube length | 420 | 425mm | +5 mm |
| Head tube length | 125 | 115mm | −10 mm |
Differences are the Specialized Stumpjumper EVO Alloy LTD minus the Trek Fuel EX Gen 7. Full charts: 2026 Trek Fuel EX Gen 7, 2024 Specialized Stumpjumper EVO Alloy LTD.
Where each sits in its class
Trek Fuel EX 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 EX Gen 75 Gen 7 | Specialized Stumpjumper EVO Alloy LTDAlloy LTD |
|---|---|---|
| Frame | Trek Alpha NEXT Platinum | not listed |
| Fork | RockShox Recon | Fox 36 Factory |
| Shifter | Shimano Deore M6100 | SRAM GX Eagle |
| Derailleur | Shimano Deore M6100 | SRAM GX Eagle AXS |
| Cassette | Shimano Deore M6100 | SRAM X01 Eagle |
| Chain | Shimano Deore M6100 | SRAM GX Eagle |
| Crankset | Shimano MT512 | SRAM GX Eagle |
| Tire | Bontrager Gunnison Elite XR | Specialized Butcher, Specialized Eliminator |
| Rotor | Shimano SM-RT10 | not listed |
| Grips | Trek Line | Deity Lockjaw |
| Seatpost | TranzX JD-YSI34 | X-Fusion Manic |
| Saddle | Bontrager Verse | Bridge |
| Rear shock | not listed | Fox Float X Factory |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Specialized Alloy |
| Hub | not listed | Roval DT Swiss 370 |
| Rim | not listed | Roval Traverse |
| Brake | not listed | SRAM Code RS |
| Stem | not listed | Trail |
| Headset | not listed | Angle Adjust |
| Dropper post | not listed | X-Fusion Manic |
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