2026 Trek Fuel MX 9.9 Gen 7 vs 2024 Santa Cruz Hightower C S
The M is the Santa Cruz Hightower C S size closest to your M Trek Fuel MX 9.9 Gen 7. 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 Santa Cruz Hightower C S
Compared with the Trek Fuel MX 9.9 Gen 7 in M, the Santa Cruz Hightower C S in M places the top of the head tube at about the same height and 4 mm further back, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- −10 mm
- Shorter: quicker to change direction
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +1 mm
- About the same
The two frames
Trek Fuel MX 9.9 Gen 7, MSanta Cruz Hightower C S, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel MX 9.9 Gen 7 M | Santa Cruz Hightower C S M | Difference |
|---|---|---|---|
| Reach | 456 | 452 | −4 mm |
| Stack | 627 | 627 | ±0 mm |
| Head tube angle | 64.2° | 64.5 | +0.3° |
| Seat tube angle | 77.5° | 76.7 | −0.8° |
| Effective top tube | 584 | 600 | +16 mm |
| Chainstay length | 434 | 435 | +1 mm |
| Wheelbase | 1228 | 1218 | −10 mm |
| BB drop | 31 | 34 | +3 mm |
| BB height | 343 | 338 | −5 mm |
| Standover | 747 | 703 | −44 mm |
| Seat tube length | 400 | 405 | +5 mm |
| Head tube length | 110 | 115 | +5 mm |
Differences are the Santa Cruz Hightower C S minus the Trek Fuel MX 9.9 Gen 7. Full charts: 2026 Trek Fuel MX 9.9 Gen 7, 2024 Santa Cruz Hightower C S.
Where each sits in its class
Trek Fuel MX 9.9 Gen 7Santa Cruz Hightower C S
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 MX 9.9 Gen 79.9 X0 AXS Gen 7 | Santa Cruz Hightower C SC S |
|---|---|---|
| Fork | Fox 36 Factory | Fox 36 Float Performance |
| Wheelset | Bontrager Line Pro 30 | DT Swiss 370 |
| Tire | Maxxis Assegai/Minion DHR II | Maxxis Minion DHR II |
| Handlebar | Race Face ERA | Burgtec Ride Wide Alloy |
| Frame | not listed | Santa Cruz Hightower |
| Rear shock | not listed | RockShox Super Deluxe Select+ |
| Shifter | not listed | SRAM GX Eagle |
| Derailleur | not listed | SRAM GX Eagle |
| Cassette | not listed | SRAM GX Eagle |
| Chain | not listed | SRAM GX Eagle |
| Crankset | not listed | SRAM GX Eagle 148 DUB 32t |
| Chainring | not listed | SRAM GX Eagle |
| Bottom bracket | not listed | SRAM DUB 68/73mm Threaded BB |
| Hub | not listed | DT Swiss 370, DT Swiss Swis 370 |
| Rim | not listed | Race Face AR Offset 30 |
| Brake | not listed | SRAM Code R |
| Rotor | not listed | Avid Centerline |
| Stem | not listed | Burgtec Enduro MK3 |
| Grips | not listed | Santa Cruz House |
| Headset | not listed | Cane Creek 40 IS Integrated Headset |
| Dropper post | not listed | OneUp Components V2 Dropper Post |
| Saddle | not listed | WTB Silverado |
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