2026 Trek Fuel+ LX 9.9 Gen 2 vs 2025 Specialized Turbo Kenevo SL 2 Comp
The S4 is the Specialized Turbo Kenevo SL 2 Comp size closest to your L Trek Fuel+ LX 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 Kenevo SL 2 Comp
Compared with the Trek Fuel+ LX 9.9 Gen 2 in L, the Specialized Turbo Kenevo SL 2 Comp in S4 places the top of the head tube 12 mm lower and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 12 mm longer, which can contribute to stability at speed.
- Frame stack
- −12 mm
- Lower front end
- Frame reach
- +12 mm
- Longer frame reach
- Wheelbase
- +12 mm
- Longer: steadier at speed
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Trek Fuel+ LX 9.9 Gen 2, LSpecialized Turbo Kenevo SL 2 Comp, S4Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel+ LX 9.9 Gen 2 L | Specialized Turbo Kenevo SL 2 Comp S4 | Difference |
|---|---|---|---|
| Reach | 473 | 485mm | +12 mm |
| Stack | 647 | 635mm | −12 mm |
| Head tube angle | 63.4° | 63.5° | +0.1° |
| Seat tube angle | 76.3° | 76° | −0.3° |
| Effective top tube | 622 | not listed | |
| Chainstay length | 444 | 447mm | +3 mm |
| Wheelbase | 1275 | 1287mm | +12 mm |
| BB drop | 27 | 25mm | −2 mm |
| BB height | 347 | 350mm | +3 mm |
| Standover | 760 | 779mm | +19 mm |
| Seat tube length | 420 | 440mm | +20 mm |
| Head tube length | 125 | 125mm | ±0 mm |
Differences are the Specialized Turbo Kenevo SL 2 Comp minus the Trek Fuel+ LX 9.9 Gen 2. Full charts: 2026 Trek Fuel+ LX 9.9 Gen 2, 2025 Specialized Turbo Kenevo SL 2 Comp.
Where each sits in its class
Trek Fuel+ LX 9.9 Gen 2Specialized Turbo Kenevo SL 2 Comp
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+ LX 9.9 Gen 29.9 X0 AXS Gen 2 | Specialized Turbo Kenevo SL 2 CompComp |
|---|---|---|
| Fork | Fox 38 Factory | RockShox Zeb Select |
| Wheelset | Bontrager Line Pro 30 | not listed |
| Tire | Maxxis Assegai/Maxxis Minion DHR II | Specialized Butcher |
| Handlebar | Race Face ERA | not listed |
| Rear shock | not listed | RockShox Super Deluxe Select |
| Shifter | not listed | SRAM Pod Controller |
| Derailleur | not listed | SRAM S1000 Eagle Transmission |
| Cassette | not listed | SRAM Eagle 70 Transmission |
| Chain | not listed | SRAM GX Eagle Transmission |
| Crankset | not listed | SRAM S2/S3 |
| Chainring | not listed | SRAM Transmission |
| Pedals | not listed | Specialized PROVIDED BY |
| Battery | not listed | Specialized SL1-320 |
| Brake | not listed | SRAM Maven Bronze |
| Seatpost | not listed | X-Fusion Manic |
| Saddle | not listed | Specialized Bridge |
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