2026 Trek Fuel+ MX 9.8 Gen 2 vs 2025 Specialized Turbo Levo 4 Comp Alloy
The S5 is the Specialized Turbo Levo 4 Comp Alloy size closest to your XL Trek Fuel+ MX 9.8 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 9.8 Gen 2 in XL, the Specialized Turbo Levo 4 Comp Alloy in S5 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 15 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −15 mm
- Shorter: quicker to change direction
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- −9 mm
- Shorter: livelier
The two frames
Trek Fuel+ MX 9.8 Gen 2, XLSpecialized Turbo Levo 4 Comp Alloy, S5Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel+ MX 9.8 Gen 2 XL | Specialized Turbo Levo 4 Comp Alloy S5 | Difference |
|---|---|---|---|
| Reach | 507 | 505 | −2 mm |
| Stack | 654 | 652 | −2 mm |
| Head tube angle | 64.2° | 64.5 | +0.3° |
| Seat tube angle | 76.6° | 77.0 | +0.4° |
| Effective top tube | 652 | 655 | +3 mm |
| Chainstay length | 444 | 435 | −9 mm |
| Wheelbase | 1301 | 1286 | −15 mm |
| BB drop | 31 | 30 | −1 mm |
| BB height | 343 | not listed | |
| Standover | 759 | not listed | |
| Seat tube length | 455 | 445 | −10 mm |
| Head tube length | 140 | 132 | −8 mm |
Differences are the Specialized Turbo Levo 4 Comp Alloy minus the Trek Fuel+ MX 9.8 Gen 2. Full charts: 2026 Trek Fuel+ MX 9.8 Gen 2, 2025 Specialized Turbo Levo 4 Comp Alloy.
Where each sits in its class
Trek Fuel+ MX 9.8 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 9.8 Gen 29.8 Eagle 90 Gen 2 | Specialized Turbo Levo 4 Comp AlloyComp Alloy |
|---|---|---|
| Frame | Trek OCLV | Specialized Levo 4 |
| Fork | Fox 36 Factory | Fox 36 Rhythm |
| Rear shock | Fox Float Factory | Fox Float X Performance |
| Shifter | SRAM Eagle 90 Transmission | SRAM 90 |
| Derailleur | SRAM Eagle 90 Transmission | SRAM Eagle 90 Transmission |
| Cassette | SRAM GX Eagle Transmission | SRAM GX Eagle Transmission |
| Chain | SRAM GX Eagle | SRAM GX Eagle Transmission |
| Chainring | SRAM Transmission | SRAM 34 Transmission |
| Motor | TQ HPR60-DRV01 | Specialized 3.1 |
| Battery | TQ HPR 580Wh V01 | Specialized M3-840 |
| Wheelset | Bontrager Line Comp 30 | Roval Traverse DH Alloy |
| Tire | Maxxis Assegai | Specialized Butcher |
| Brake | SRAM Maven 4-piston Bronze | SRAM Maven Bronze |
| Rotor | SRAM HS2 | SRAM CenterLine |
| Handlebar | Race Face ERA | Specialized Trail |
| Grips | Trek Line Elite | Specialized Trail |
| Seatpost | Bontrager Line Dropper | not listed |
| Saddle | Trek Verse | Comp |
| Crankset | not listed | SRAM S1000 |
| Stem | not listed | Specialized Trail |
| Dropper post | not listed | X-Fusion Manic |
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