2027 Trek Fuel+ MX 9.9 Gen 2 vs 2025 Specialized Turbo Levo 4 Comp Alloy
The S5 is the Specialized Turbo Levo 4 Comp Alloy size closest to your L Trek Fuel+ MX 9.9 Gen 2. 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 Turbo Levo 4 Comp Alloy
Compared with the Trek Fuel+ MX 9.9 Gen 2 in L, the Specialized Turbo Levo 4 Comp Alloy in S5 places the top of the head tube 11 mm higher and 23 mm further forward, relative to the bottom bracket. Its wheelbase is 20 mm longer, which can contribute to stability at speed.
- Frame stack
- +11 mm
- Higher front end
- Frame reach
- +23 mm
- Longer frame reach
- Wheelbase
- +20 mm
- Longer: steadier at speed
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Trek Fuel+ MX 9.9 Gen 2, LSpecialized Turbo Levo 4 Comp Alloy, S5Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel+ MX 9.9 Gen 2 L | Specialized Turbo Levo 4 Comp Alloy S5 | Difference |
|---|---|---|---|
| Reach | 482 | 505 | +23 mm |
| Stack | 641 | 652 | +11 mm |
| Head tube angle | 64.2° | 64.5 | +0.3° |
| Seat tube angle | 77.0° | 77.0 | ±0.0° |
| Effective top tube | 619 | 655 | +36 mm |
| Chainstay length | 440 | 435 | −5 mm |
| Wheelbase | 1266 | 1286 | +20 mm |
| BB drop | 31 | 30 | −1 mm |
| BB height | 343 | not listed | |
| Standover | 755 | not listed | |
| Seat tube length | 420 | 445 | +25 mm |
| Head tube length | 125 | 132 | +7 mm |
Differences are the Specialized Turbo Levo 4 Comp Alloy minus the Trek Fuel+ MX 9.9 Gen 2. Full charts: 2027 Trek Fuel+ MX 9.9 Gen 2, 2025 Specialized Turbo Levo 4 Comp Alloy.
Where each sits in its class
Trek Fuel+ MX 9.9 Gen 2Specialized Turbo Levo 4 Comp Alloy
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 9.9 Gen 29.9 X0 AXS Gen 2 | Specialized Turbo Levo 4 Comp AlloyComp Alloy |
|---|---|---|
| Frame | Trek OCLV | Specialized Levo 4 |
| Fork | RockShox ZEB B1 Ultimate | Fox 36 Rhythm |
| Rear shock | RockShox Vivid D1 Ultimate | Fox Float X Performance |
| Shifter | SRAM Pod Controller | SRAM 90 |
| Derailleur | SRAM X0 Eagle AXS | SRAM Eagle 90 Transmission |
| Cassette | SRAM X0 Eagle Transmission | SRAM GX Eagle Transmission |
| Chain | SRAM X0 Eagle | SRAM GX Eagle Transmission |
| Crankset | SRAM XX | SRAM S1000 |
| Chainring | SRAM Transmission | SRAM 34 Transmission |
| Motor | TQ HPR60-DRV01 | Specialized 3.1 |
| Battery | TQ HPR 580Wh V01 | Specialized M3-840 |
| Wheelset | Bontrager Line Pro 30 | Roval Traverse DH Alloy |
| Tire | Maxxis Assegai | Specialized Butcher |
| Brake | SRAM Maven | SRAM Maven Bronze |
| Rotor | SRAM HS2 | SRAM CenterLine |
| Handlebar | Race Face ERA | Specialized Trail |
| Stem | Race Face Turbine | Specialized Trail |
| Grips | Trek Line Elite | Specialized Trail |
| Seatpost | Fox Transfer Neo | not listed |
| Saddle | Trek Aeolus | Comp |
| Dropper post | not listed | X-Fusion Manic |
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