2025 Specialized Turbo Levo 4 Comp Alloy vs 2027 Trek Fuel+ MX 9.9 Gen 2
The S is the Trek Fuel+ MX 9.9 Gen 2 size closest to your S2 Specialized Turbo Levo 4 Comp Alloy. 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 Trek Fuel+ MX 9.9 Gen 2
Compared with the Specialized Turbo Levo 4 Comp Alloy in S2, the Trek Fuel+ MX 9.9 Gen 2 in S places the top of the head tube 9 mm higher and 9 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- −9 mm
- Shorter frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Turbo Levo 4 Comp Alloy, S2Trek Fuel+ MX 9.9 Gen 2, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Turbo Levo 4 Comp Alloy S2 | Trek Fuel+ MX 9.9 Gen 2 S | Difference |
|---|---|---|---|
| Reach | 435 | 426 | −9 mm |
| Stack | 618 | 627 | +9 mm |
| Head tube angle | 64.5 | 64.2° | −0.3° |
| Seat tube angle | 77.0 | 77.7° | +0.7° |
| Effective top tube | 578 | 560 | −18 mm |
| Chainstay length | 435 | 440 | +5 mm |
| Wheelbase | 1200 | 1204 | +4 mm |
| BB drop | 30 | 31 | +1 mm |
| Seat tube length | 390 | 370 | −20 mm |
| Head tube length | 95 | 110 | +15 mm |
| BB height | not listed | 343 | |
| Standover | not listed | 758 |
Differences are the Trek Fuel+ MX 9.9 Gen 2 minus the Specialized Turbo Levo 4 Comp Alloy. Full charts: 2025 Specialized Turbo Levo 4 Comp Alloy, 2027 Trek Fuel+ MX 9.9 Gen 2.
Where each sits in its class
Specialized Turbo Levo 4 Comp AlloyTrek Fuel+ MX 9.9 Gen 2
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 Turbo Levo 4 Comp AlloyComp Alloy | Trek Fuel+ MX 9.9 Gen 29.9 X0 AXS Gen 2 |
|---|---|---|
| Frame | Specialized Levo 4 | Trek OCLV |
| Fork | Fox 36 Rhythm | RockShox ZEB B1 Ultimate |
| Rear shock | Fox Float X Performance | RockShox Vivid D1 Ultimate |
| Shifter | SRAM 90 | SRAM Pod Controller |
| Derailleur | SRAM Eagle 90 Transmission | SRAM X0 Eagle AXS |
| Cassette | SRAM GX Eagle Transmission | SRAM X0 Eagle Transmission |
| Chain | SRAM GX Eagle Transmission | SRAM X0 Eagle |
| Crankset | SRAM S1000 | SRAM XX |
| Chainring | SRAM 34 Transmission | SRAM Transmission |
| Motor | Specialized 3.1 | TQ HPR60-DRV01 |
| Battery | Specialized M3-840 | TQ HPR 580Wh V01 |
| Wheelset | Roval Traverse DH Alloy | Bontrager Line Pro 30 |
| Tire | Specialized Butcher | Maxxis Assegai |
| Brake | SRAM Maven Bronze | SRAM Maven |
| Rotor | SRAM CenterLine | SRAM HS2 |
| Handlebar | Specialized Trail | Race Face ERA |
| Stem | Specialized Trail | Race Face Turbine |
| Grips | Specialized Trail | Trek Line Elite |
| Dropper post | X-Fusion Manic | not listed |
| Saddle | Comp | Trek Aeolus |
| Seatpost | not listed | Fox Transfer Neo |
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