2023 Specialized Stumpjumper Alloy vs 2025 Giant Stance
The M is the Giant Stance size closest to your S1 Specialized Stumpjumper 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 Giant Stance
Compared with the Specialized Stumpjumper Alloy in S1, the Giant Stance in M places the top of the head tube 5 mm higher and 35 mm further forward, relative to the bottom bracket. Its wheelbase is 30 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +35 mm
- Longer frame reach
- Wheelbase
- +30 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −12 mm
- Shorter: livelier
The two frames
Specialized Stumpjumper Alloy, S1Giant Stance, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Alloy S1 | Giant Stance M | Difference |
|---|---|---|---|
| Reach | 410mm | 445 | +35 mm |
| Stack | 618mm | 623 | +5 mm |
| Head tube angle | 65° | 65.5 | +0.5° |
| Seat tube angle | 77.7° | 76.5 | −1.2° |
| Chainstay length | 454mm | 442 | −12 mm |
| Wheelbase | 1168mm | 1198 | +30 mm |
| BB drop | 47mm | not listed | |
| BB height | 327mm | not listed | |
| Standover | 742mm | 734 | −8 mm |
| Seat tube length | 385mm | not listed | |
| Fork length | 550mm | not listed | |
| Head tube length | 100mm | not listed |
Differences are the Giant Stance minus the Specialized Stumpjumper Alloy. Full charts: 2023 Specialized Stumpjumper Alloy, 2025 Giant Stance.
Where each sits in its class
Specialized Stumpjumper AlloyGiant Stance
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 AlloyAlloy | Giant StanceGiant Stance 2025 |
|---|---|---|
| Frame | Specialized chassis | Giant Stance |
| Rear shock | X-Fusion Pro RL | SR Suntour Raidon |
| Shifter | SRAM SX Eagle | Shimano CUES SL-6000 |
| Derailleur | SRAM SX Eagle | Shimano CUES U6000 |
| Cassette | SRAM SX Eagle | Shimano CS-LG300 |
| Chain | SRAM SX Eagle | KMC X11 |
| Crankset | SRAM SX Eagle | Shimano CUES U6000 |
| Bottom bracket | SRAM PowerSpline | not listed |
| Tire | Specialized Butcher, Specialized Purgatory | Maxxis Minion DHF, Maxxis Dissector |
| Brake | Tektro Gemini | Shimano MT420 |
| Seatpost | TranzX Dropper | not listed |
| Saddle | Specialized Bridge Saddle | Giant Romero |
| Fork | not listed | Giant Crest 34 |
| Wheelset | not listed | Giant TRA 2 |
| Rotor | not listed | Shimano RT-26 |
| Handlebar | not listed | Giant Contact TR35 |
| Stem | not listed | Giant Contact |
| Grips | not listed | Giant Sole-O |
| Dropper post | not listed | Giant Contact Switch AT |
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