2025 Specialized Stumpjumper 15 Comp Alloy vs 2023 Santa Cruz Hightower C
The M is the Santa Cruz Hightower C size closest to your S3 Specialized Stumpjumper 15 Comp Alloy. 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
Compared with the Specialized Stumpjumper 15 Comp Alloy in S3, the Santa Cruz Hightower C in M places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper 15 Comp Alloy, S3Santa Cruz Hightower C, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 Comp Alloy S3 | Santa Cruz Hightower C M | Difference |
|---|---|---|---|
| Reach | 450 | 452 | +2 mm |
| Stack | 627 | 627 | ±0 mm |
| Head tube angle | 64.5 | 64.5 | ±0.0° |
| Seat tube angle | 77 | 76.7 | −0.3° |
| Effective top tube | 595 | 600 | +5 mm |
| Chainstay length | 435 | 435 | ±0 mm |
| Wheelbase | 1213 | 1218 | +5 mm |
| BB drop | 38 | 34 | −4 mm |
| BB height | 337 | not listed | |
| Standover | 745 | not listed | |
| Seat tube length | 405 | 405 | ±0 mm |
| Fork length | 561mm | not listed | |
| Head tube length | 110 | 115 | +5 mm |
Differences are the Santa Cruz Hightower C minus the Specialized Stumpjumper 15 Comp Alloy. Full charts: 2025 Specialized Stumpjumper 15 Comp Alloy, 2023 Santa Cruz Hightower C.
Where each sits in its class
Specialized Stumpjumper 15 Comp AlloySanta Cruz Hightower C
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 Stumpjumper 15 Comp AlloyComp Alloy | Santa Cruz Hightower CC GX AXS |
|---|---|---|
| Frame | Specialized Stumpjumper 15 | Santa Cruz Hightower |
| Fork | Fox FLOAT 36 Rhythm | Fox 36 Performance Elite |
| Rear shock | Fox Float Performance | RockShox Super Deluxe Select+ |
| Shifter | Shimano SLX | SRAM GX AXS Controller |
| Derailleur | Shimano SLX | SRAM GX Eagle AXS |
| Cassette | Shimano SLX | SRAM GX Eagle |
| Chain | Shimano SLX | SRAM GX Eagle |
| Crankset | Shimano SLX | SRAM GX Eagle AXS |
| Chainring | Shimano SLX M7120 | SRAM GX Eagle |
| Bottom bracket | Shimano MT801 | SRAM DUB GX |
| Wheelset | Specialized hookless alloy | not listed |
| Tire | Specialized Butcher, Specialized Eliminator | Maxxis Minion DHR II DD |
| Brake | TRP EVO | SRAM Code RSC |
| Handlebar | Specialized 6000 series | Santa Cruz 35 Carbon Bar |
| Stem | Specialized Trail | Burgtec Enduro MK3 |
| Grips | Specialized Trail Grips | Santa Cruz House |
| Dropper post | X-Fusion Manic | RockShox Reverb Stealth |
| Seatpost | X-Fusion Manic | not listed |
| Saddle | Specialized Bridge Comp | WTB Silverado Medium |
| Hub | not listed | Industry Nine 1/1 |
| Rim | not listed | Race Face ARC Offset 30 |
| Rotor | not listed | Avid Centerline |
| Headset | not listed | Cane Creek 40 IS |
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