2025 Specialized Stumpjumper 15 Alloy vs 2023 Santa Cruz Hightower C
The L is the Santa Cruz Hightower C size closest to your S4 Specialized Stumpjumper 15 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 Alloy in S4, the Santa Cruz Hightower C in L places the top of the head tube 4 mm lower and 3 mm further back, relative to the bottom bracket.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- +1 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Specialized Stumpjumper 15 Alloy, S4Santa Cruz Hightower C, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 Alloy S4 | Santa Cruz Hightower C L | Difference |
|---|---|---|---|
| Reach | 475mm | 472 | −3 mm |
| Stack | 640mm | 636 | −4 mm |
| Head tube angle | 64.5° | 64.5 | ±0.0° |
| Seat tube angle | 76.5° | 76.4 | −0.1° |
| Effective top tube | 624mm | 627 | +3 mm |
| Chainstay length | 435mm | 438 | +3 mm |
| Wheelbase | 1244mm | 1245 | +1 mm |
| BB drop | 38mm | 34 | −4 mm |
| BB height | 337mm | not listed | |
| Standover | 745mm | not listed | |
| Seat tube length | 425mm | 430 | +5 mm |
| Fork length | 561mm | not listed | |
| Head tube length | 125mm | 125 | ±0 mm |
Differences are the Santa Cruz Hightower C minus the Specialized Stumpjumper 15 Alloy. Full charts: 2025 Specialized Stumpjumper 15 Alloy, 2023 Santa Cruz Hightower C.
Where each sits in its class
Specialized Stumpjumper 15 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 AlloyAlloy | Santa Cruz Hightower CC GX AXS |
|---|---|---|
| Frame | Specialized M5 Alloy | Santa Cruz Hightower |
| Fork | RockShox Psylo Silver | Fox 36 Performance Elite |
| Rear shock | X-Fusion 02 Pro R | RockShox Super Deluxe Select+ |
| Shifter | Shimano Deore M6100 | SRAM GX AXS Controller |
| Derailleur | Shimano Deore M6100 | SRAM GX Eagle AXS |
| Cassette | Shimano Deore M6100 | SRAM GX Eagle |
| Chain | Shimano Deore M6100 | SRAM GX Eagle |
| Crankset | Shimano Deore | SRAM GX Eagle AXS |
| Tire | Specialized Butcher, Specialized Eliminator | Maxxis Minion DHR II DD |
| Brake | Shimano MT420 | SRAM Code RSC |
| Stem | Trail | Burgtec Enduro MK3 |
| Dropper post | TranzX Dropper | RockShox Reverb Stealth |
| Seatpost | TranzX Dropper | not listed |
| Saddle | Specialized Bridge | WTB Silverado Medium |
| Chainring | not listed | SRAM GX Eagle |
| Bottom bracket | not listed | SRAM DUB GX |
| Hub | not listed | Industry Nine 1/1 |
| Rim | not listed | Race Face ARC Offset 30 |
| Rotor | not listed | Avid Centerline |
| Handlebar | not listed | Santa Cruz 35 Carbon Bar |
| Grips | not listed | Santa Cruz House |
| Headset | not listed | Cane Creek 40 IS |
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