2026 Specialized Stumpjumper 15 EVO Alloy SRAM Eagle, RockShox/X-Fusion vs 2026 GT Sensor Carbon Pro
The GT Sensor Carbon Pro size closest to your S3 is the M. Compare the M instead
What changes on the GT Sensor Carbon Pro
Compared with the Specialized Stumpjumper 15 EVO Alloy SRAM Eagle, RockShox/X-Fusion in S3, the GT Sensor Carbon Pro in XL places the top of the head tube 21 mm higher and 70 mm further forward, relative to the bottom bracket. Its wheelbase is 72 mm longer, which can contribute to stability at speed.
- Frame stack
- +21 mm
- Higher front end
- Frame reach
- +70 mm
- Longer frame reach
- Wheelbase
- +72 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Specialized Stumpjumper 15 EVO Alloy SRAM Eagle, RockShox/X-Fusion numbers we have for size S3 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 EVO Alloy SRAM Eagle, RockShox/X-Fusion S3 | GT Sensor Carbon Pro XL | Difference |
|---|---|---|---|
| Reach | 445mm | 515 | +70 mm |
| Stack | 630mm | 651 | +21 mm |
| Head tube angle | 64° | 65.0 | +1.0° |
| Effective top tube | 596mm | 666 | +70 mm |
| Chainstay length | 435mm | 440 | +5 mm |
| Wheelbase | 1217mm | 1289 | +72 mm |
| BB drop | 35mm | 36 | +1 mm |
| BB height | 340mm | not listed | |
| Standover | 745mm | not listed | |
| Seat tube length | 405mm | 460 | +55 mm |
| Fork length | 573mm | not listed | |
| Head tube length | 110mm | 140 | +30 mm |
| Seat tube angle | not listed | 77.0 |
Differences are the GT Sensor Carbon Pro minus the Specialized Stumpjumper 15 EVO Alloy SRAM Eagle, RockShox/X-Fusion. Full charts: 2026 Specialized Stumpjumper 15 EVO Alloy SRAM Eagle, RockShox/X-Fusion, 2026 GT Sensor Carbon Pro.
Where each sits in its class
Specialized Stumpjumper 15 EVO Alloy SRAM Eagle, RockShox/X-FusionGT Sensor Carbon Pro
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 EVO Alloy SRAM Eagle, RockShox/X-FusionAlloy - SRAM NX Eagle, RockShox/X-Fusion | GT Sensor Carbon ProCarbon Pro |
|---|---|---|
| Rear shock | X-Fusion Pro RL | RockShox Super Deluxe Select |
| Shifter | SRAM NX Eagle | SRAM NX Eagle |
| Derailleur | SRAM NX Eagle | SRAM GX AXS |
| Cassette | SRAM NX Eagle | SRAM PG |
| Chain | SRAM NX Eagle | not listed |
| Crankset | SRAM NX Eagle | TruVativ Descendant GX |
| Bottom bracket | SRAM DUB | SRAM DUB BSA |
| Tire | Specialized Butcher, Specialized Eliminator | Continental Kryptotal |
| Brake | SRAM DB6 | SRAM Code R |
| Dropper post | TranzX Dropper | not listed |
| Saddle | Specialized Bridge Saddle | not listed |
| Frame | not listed | GT Sensor |
| Fork | not listed | RockShox Lyrik Select |
| Wheelset | not listed | WTB KOM Trail |
| Rotor | not listed | SRAM Code R |
| Handlebar | not listed | GT Alloy Riser |
| Headset | not listed | FSA 42 |
| Seatpost | not listed | TranzX adjustable |
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