2024 Santa Cruz Bullit S vs 2026 Trek Fuel+ MX 9.8 Gen 2
The XL is the Trek Fuel+ MX 9.8 Gen 2 size closest to your XL Santa Cruz Bullit S. 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 9.8 Gen 2
Compared with the Santa Cruz Bullit S in XL, the Trek Fuel+ MX 9.8 Gen 2 in XL places the top of the head tube 6 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- +12 mm
- Longer frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Santa Cruz Bullit S, XLTrek Fuel+ MX 9.8 Gen 2, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Santa Cruz Bullit S XL | Trek Fuel+ MX 9.8 Gen 2 XL | Difference |
|---|---|---|---|
| Reach | 495 | 507 | +12 mm |
| Stack | 648 | 654 | +6 mm |
| Head tube angle | 64° | 64.2° | +0.2° |
| Seat tube angle | 77° | 76.6° | −0.4° |
| Effective top tube | 644.9 | 652 | +7 mm |
| Chainstay length | 449 | 444 | −5 mm |
| Wheelbase | 1296.7 | 1301 | +4 mm |
| BB drop | 25.5/6.5 | 31 | |
| BB height | 348 | 343 | −5 mm |
| Standover | 745 | 759 | +14 mm |
| Seat tube length | 460 | 455 | −5 mm |
| Head tube length | 130 | 140 | +10 mm |
Differences are the Trek Fuel+ MX 9.8 Gen 2 minus the Santa Cruz Bullit S. Full charts: 2024 Santa Cruz Bullit S, 2026 Trek Fuel+ MX 9.8 Gen 2.
Where each sits in its class
Santa Cruz Bullit STrek Fuel+ MX 9.8 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 | Santa Cruz Bullit SS | Trek Fuel+ MX 9.8 Gen 29.8 Eagle 90 Gen 2 |
|---|---|---|
| Fork | Fox 38 Float Performance | Fox 36 Factory |
| Rear shock | RockShox Super Deluxe Select+ | Fox Float Factory |
| Shifter | SRAM GX Eagle Single Click | SRAM Eagle 90 Transmission |
| Derailleur | SRAM GX Eagle | SRAM Eagle 90 Transmission |
| Cassette | SRAM GX Eagle | SRAM GX Eagle Transmission |
| Chain | SRAM GX Eagle | SRAM GX Eagle |
| Crankset | Shimano EM600 Crank Arms | not listed |
| Motor | Shimano Drive Unit DU-EP801 | TQ HPR60-DRV01 |
| Tire | Maxxis Assegai, Maxxis Minion DHR II | Maxxis Assegai |
| Hub | e*thirteen SL E-Spec | not listed |
| Rim | Race Face ARC HD 30 | not listed |
| Brake | SRAM Code R | SRAM Maven 4-piston Bronze |
| Rotor | Avid Centerline | SRAM HS2 |
| Handlebar | Santa Cruz eCarbon | Race Face ERA |
| Stem | Burgtec Enduro MK3 | not listed |
| Headset | Cane Creek 40 IS Integrated Headset | not listed |
| Dropper post | OneUp Components V2 Dropper Post | not listed |
| Saddle | WTB Silverado | Trek Verse |
| Frame | not listed | Trek OCLV |
| Chainring | not listed | SRAM Transmission |
| Battery | not listed | TQ HPR 580Wh V01 |
| Wheelset | not listed | Bontrager Line Comp 30 |
| Grips | not listed | Trek Line Elite |
| Seatpost | not listed | Bontrager Line Dropper |
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