2024 Specialized Stumpjumper EVO Alloy LTD vs 2026 Trek Fuel EX 9.9 Gen 7
The Trek Fuel EX 9.9 Gen 7 size closest to your S4 is the L. Compare the L instead
What changes on the Trek Fuel EX 9.9 Gen 7
Compared with the Specialized Stumpjumper EVO Alloy LTD in S4, the Trek Fuel EX 9.9 Gen 7 in S places the top of the head tube 25 mm lower and 44 mm further back, relative to the bottom bracket. Its wheelbase is 62 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −25 mm
- Lower front end
- Frame reach
- −44 mm
- Shorter frame reach
- Wheelbase
- −62 mm
- Shorter: quicker to change direction
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- −4 mm
- Shorter: livelier
The two frames
Specialized Stumpjumper EVO Alloy LTD, S4Trek Fuel EX 9.9 Gen 7, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper EVO Alloy LTD S4 | Trek Fuel EX 9.9 Gen 7 S | Difference |
|---|---|---|---|
| Reach | 475mm | 431 | −44 mm |
| Stack | 635mm | 610 | −25 mm |
| Head tube angle | 64.5° | 64.6° | +0.1° |
| Seat tube angle | 76.9° | 78.7° | +1.8° |
| Chainstay length | 441mm | 437 | −4 mm |
| Wheelbase | 1249mm | 1187 | −62 mm |
| BB drop | 35mm | 34 | −1 mm |
| BB height | 340mm | 340 | ±0 mm |
| Standover | 760mm | 741 | −19 mm |
| Seat tube length | 425mm | 370 | −55 mm |
| Head tube length | 115mm | 95 | −20 mm |
| Effective top tube | not listed | 548 |
Differences are the Trek Fuel EX 9.9 Gen 7 minus the Specialized Stumpjumper EVO Alloy LTD. Full charts: 2024 Specialized Stumpjumper EVO Alloy LTD, 2026 Trek Fuel EX 9.9 Gen 7.
Where each sits in its class
Specialized Stumpjumper EVO Alloy LTDTrek Fuel EX 9.9 Gen 7
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 | Specialized Stumpjumper EVO Alloy LTDAlloy LTD | Trek Fuel EX 9.9 Gen 79.9 X0 AXS Gen 7 |
|---|---|---|
| Fork | Fox 36 Factory | RockShox Lyrik Ultimate |
| Rear shock | Fox Float X Factory | RockShox Deluxe RC2T Ultimate |
| Shifter | SRAM GX Eagle | SRAM Pod Controller |
| Derailleur | SRAM GX Eagle AXS | SRAM X0 Eagle AXS |
| Cassette | SRAM X01 Eagle | SRAM X0 Eagle Transmission |
| Chain | SRAM GX Eagle | SRAM X0 Eagle |
| Crankset | SRAM GX Eagle | SRAM X0 Eagle |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | Specialized Alloy | Bontrager Line Pro 30 |
| Tire | Specialized Butcher, Specialized Eliminator | Maxxis Minion DHF |
| Hub | Roval DT Swiss 370 | not listed |
| Rim | Roval Traverse | not listed |
| Brake | SRAM Code RS | SRAM Maven |
| Stem | Trail | Race Face Turbine |
| Grips | Deity Lockjaw | Trek Line Elite |
| Headset | Angle Adjust | not listed |
| Dropper post | X-Fusion Manic | not listed |
| Seatpost | X-Fusion Manic | RockShox Reverb AXS |
| Saddle | Bridge | Trek Verse |
| Battery | not listed | SRAM AXS |
| Rotor | not listed | SRAM HS2 |
| Handlebar | not listed | Race Face ERA |
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