2025 Specialized Stumpjumper 15 Alloy vs 2027 Santa Cruz Tallboy FA
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Santa Cruz Tallboy FA
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +4 mm
- Longer: more planted
The two frames
Only the Specialized Stumpjumper 15 Alloy is drawn. The Santa Cruz Tallboy FA numbers we have for size M are missing the reach, stack and wheelbase.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 Alloy S2 | Santa Cruz Tallboy FA M | Difference |
|---|---|---|---|
| Reach | 425mm | not listed | |
| Stack | 618mm | not listed | |
| Head tube angle | 64.5° | 64.8 | +0.3° |
| Seat tube angle | 77° | 77 | ±0.0° |
| Effective top tube | 573mm | 596 | +23 mm |
| Chainstay length | 432mm | 435.5 | +4 mm |
| Wheelbase | 1181mm | not listed | |
| BB drop | 38mm | not listed | |
| BB height | 337mm | not listed | |
| Standover | 751mm | not listed | |
| Seat tube length | 385mm | not listed | |
| Fork length | 561mm | not listed | |
| Head tube length | 100mm | 115 | +15 mm |
Differences are the Santa Cruz Tallboy FA minus the Specialized Stumpjumper 15 Alloy. Full charts: 2025 Specialized Stumpjumper 15 Alloy, 2027 Santa Cruz Tallboy FA.
Where each sits in its class
Specialized Stumpjumper 15 AlloySanta Cruz Tallboy FA
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 Tallboy FAXX AXS FA RSV |
|---|---|---|
| Frame | Specialized M5 Alloy | not listed |
| Fork | RockShox Psylo Silver | RockShox Pike Flight Attendant Ultimate |
| Rear shock | X-Fusion 02 Pro R | RockShox Super Deluxe Flight Attendant Ultimate |
| Shifter | Shimano Deore M6100 | SRAM Pod Rocker Controller |
| Derailleur | Shimano Deore M6100 | SRAM XX SL Eagle Transmission |
| Cassette | Shimano Deore M6100 | SRAM XX SL 1299 Eagle Transmission |
| Chain | Shimano Deore M6100 | SRAM XX SL Eagle Transmission |
| Crankset | Shimano Deore | SRAM XX SL Eagle Power Meter Transmission |
| Tire | Specialized Butcher, Specialized Eliminator | Maxxis Dissector |
| Brake | Shimano MT420 | SRAM Maven Carbon Ultimate |
| Stem | Trail | Industry Nine A35 |
| Dropper post | TranzX Dropper | OneUp Components Dropper Post |
| Seatpost | TranzX Dropper | not listed |
| Saddle | Specialized Bridge | WTB Silverado Medium Fusion |
| Bottom bracket | not listed | SRAM DUB 68/73mm Threaded BB |
| Rim | not listed | Reserve 30|SL Carbon |
| Rotor | not listed | SRAM HS2 |
| Headset | not listed | Chris King DropSet 3 50th Anniversary Integrated Headset |
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