2025 Specialized Turbo Levo 4 vs 2027 Trek Fuel+ MX 9.9 Gen 2
The Trek Fuel+ MX 9.9 Gen 2 size closest to your S4 is the L. Compare the L instead
What changes on the Trek Fuel+ MX 9.9 Gen 2
Compared with the Specialized Turbo Levo 4 in S4, the Trek Fuel+ MX 9.9 Gen 2 in M places the top of the head tube 11 mm lower and 24 mm further back, relative to the bottom bracket.
- Frame stack
- −11 mm
- Lower front end
- Frame reach
- −24 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- +5 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Specialized Turbo Levo 4 numbers we have for size S4 are missing the head angle and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Turbo Levo 4 S4 | Trek Fuel+ MX 9.9 Gen 2 M | Difference |
|---|---|---|---|
| Reach | 480mm | 456 | −24 mm |
| Stack | 638mm | 627 | −11 mm |
| Head tube angle | not listed | 64.2° | |
| Seat tube angle | 77° | 77.5° | +0.5° |
| Effective top tube | 627 | 590 | −37 mm |
| Chainstay length | 435mm | 440 | +5 mm |
| Seat tube length | 425 | 400 | −25 mm |
| Head tube length | 117 | 110 | −7 mm |
| Wheelbase | not listed | 1234 | |
| BB drop | not listed | 31 | |
| BB height | not listed | 343 | |
| Standover | not listed | 752 |
Differences are the Trek Fuel+ MX 9.9 Gen 2 minus the Specialized Turbo Levo 4. Full charts: 2025 Specialized Turbo Levo 4, 2027 Trek Fuel+ MX 9.9 Gen 2.
Where each sits in its class
Specialized Turbo Levo 4Trek 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 4S-Works | Trek Fuel+ MX 9.9 Gen 29.9 X0 AXS Gen 2 |
|---|---|---|
| Frame | Specialized Levo 4 | Trek OCLV |
| Fork | Fox 38 Factory | RockShox ZEB B1 Ultimate |
| Rear shock | Fox Float X Factory | RockShox Vivid D1 Ultimate |
| Shifter | SRAM Pod Controller Ultimate | SRAM Pod Controller |
| Derailleur | SRAM XX Eagle Transmission | SRAM X0 Eagle AXS |
| Cassette | SRAM XX Eagle | SRAM X0 Eagle Transmission |
| Chain | SRAM XX Eagle Transmission | SRAM X0 Eagle |
| Crankset | SRAM XX AXS | SRAM XX |
| Chainring | SRAM Transmission | SRAM Transmission |
| Motor | Specialized 3.1 | TQ HPR60-DRV01 |
| Battery | Specialized M3-840 | TQ HPR 580Wh V01 |
| Wheelset | Roval Traverse HD | Bontrager Line Pro 30 |
| Tire | Schwalbe Magic Mary, Schwalbe Albert | Maxxis Assegai |
| Hub | DT Swiss 350 Straight-Pull | not listed |
| Brake | SRAM Maven Ultimate | SRAM Maven |
| Rotor | SRAM MAVEN Ultimate | SRAM HS2 |
| Handlebar | Race Face ERA | Race Face ERA |
| Stem | Industry Nine A35 | Race Face Turbine |
| Grips | Deity Lockjaw | Trek Line Elite |
| Dropper post | Fox Transfer Neo | not listed |
| Seatpost | Fox Transfer NEO Factory | Fox Transfer Neo |
| Saddle | Specialized Power Pro Mirror | Trek Aeolus |
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