2027 Specialized Turbo Levo 4 Pro vs 2027 Trek Fuel+ MX 9.9 Gen 2
The L is the Trek Fuel+ MX 9.9 Gen 2 size closest to your S4 Specialized Turbo Levo 4 Pro. 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 Pro in S4, the Trek Fuel+ MX 9.9 Gen 2 in L places the top of the head tube 3 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 12 mm longer, which can contribute to stability at speed.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +12 mm
- Longer: steadier at speed
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Specialized Turbo Levo 4 Pro numbers we have for size S4 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Turbo Levo 4 Pro S4 | Trek Fuel+ MX 9.9 Gen 2 L | Difference |
|---|---|---|---|
| Reach | 480mm | 482 | +2 mm |
| Stack | 638mm | 641 | +3 mm |
| Head tube angle | 64.5° | 64.2° | −0.3° |
| Effective top tube | 627mm | 619 | −8 mm |
| Chainstay length | 435mm | 440 | +5 mm |
| Wheelbase | 1254mm | 1266 | +12 mm |
| BB drop | 29.5mm | 31 | +2 mm |
| BB height | 350mm | 343 | −7 mm |
| Standover | 753mm | 755 | +2 mm |
| Seat tube length | 425mm | 420 | −5 mm |
| Fork length | 577mm | not listed | |
| Head tube length | 117mm | 125 | +8 mm |
| Seat tube angle | not listed | 77.0° |
Differences are the Trek Fuel+ MX 9.9 Gen 2 minus the Specialized Turbo Levo 4 Pro. Full charts: 2027 Specialized Turbo Levo 4 Pro, 2027 Trek Fuel+ MX 9.9 Gen 2.
Where each sits in its class
Specialized Turbo Levo 4 ProTrek 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 ProPro | Trek Fuel+ MX 9.9 Gen 29.9 X0 AXS Gen 2 |
|---|---|---|
| Frame | Specialized Levo 4 | Trek OCLV |
| Fork | SRAM FS ZEB Ultimate | RockShox ZEB B1 Ultimate |
| Rear shock | RockShox Super Deluxe GENIE Ultimate | RockShox Vivid D1 Ultimate |
| Shifter | SRAM Pod Controller | SRAM Pod Controller |
| Derailleur | SRAM X0 Eagle Transmission | SRAM X0 Eagle AXS |
| Cassette | SRAM X0 Eagle Transmission | SRAM X0 Eagle Transmission |
| Chain | SRAM X0 Eagle Transmission | SRAM X0 Eagle |
| Crankset | SRAM X0 | SRAM XX |
| Chainring | SRAM Transmission | SRAM Transmission |
| Motor | Specialized 3.1 | TQ HPR60-DRV01 |
| Battery | Specialized Turbo X2 | TQ HPR 580Wh V01 |
| Wheelset | Specialized Traverse HD | Bontrager Line Pro 30 |
| Brake | SRAM Maven | SRAM Maven |
| Handlebar | Race Face ERA | Race Face ERA |
| Grips | Deity Lockjaw | Trek Line Elite |
| Seatpost | BikeYoke Revive Max 3.0 | Fox Transfer Neo |
| Saddle | Specialized Bridge Expert | Trek Aeolus |
| Tire | not listed | Maxxis Assegai |
| Rotor | not listed | SRAM HS2 |
| Stem | not listed | Race Face Turbine |
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