2017 Salsa Horsethief GX1 vs 2015 Specialized Stumpjumper FSR EVO 650b
The S is the Specialized Stumpjumper FSR EVO 650b size closest to your SM - 120mm Fork Salsa Horsethief GX1. 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 Specialized Stumpjumper FSR EVO 650b
Compared with the Salsa Horsethief GX1 in SM - 120mm Fork, the Specialized Stumpjumper FSR EVO 650b in S places the top of the head tube 4 mm lower and 10 mm further back, relative to the bottom bracket. Its wheelbase is 23 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- −23 mm
- Shorter: quicker to change direction
- Head angle
- −0.1°
- About the same head angle
- Chainstays
- −2 mm
- About the same
The two frames
Salsa Horsethief GX1, SM - 120mm ForkSpecialized Stumpjumper FSR EVO 650b, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Salsa Horsethief GX1 SM - 120mm Fork | Specialized Stumpjumper FSR EVO 650b S | Difference |
|---|---|---|---|
| Reach | 410.7 | 401mm | −10 mm |
| Stack | 605.9 | 602mm | −4 mm |
| Head tube angle | 68.1 | 68° | −0.1° |
| Seat tube angle | 73.5 | 74° | +0.5° |
| Effective top tube | 590 | 568mm | −22 mm |
| Chainstay length | 437 | 435mm | −2 mm |
| Wheelbase | 1130 | 1107mm | −23 mm |
| BB drop | 36 | not listed | |
| Standover | 747.9 | 738mm | −10 mm |
| Seat tube length | 407 | 396mm | −11 mm |
| Fork length | 530 | not listed | |
| Head tube length | 100 | not listed | |
| BB height | not listed | 327mm |
Differences are the Specialized Stumpjumper FSR EVO 650b minus the Salsa Horsethief GX1. Full charts: 2017 Salsa Horsethief GX1, 2015 Specialized Stumpjumper FSR EVO 650b.
Where each sits in its class
Salsa Horsethief GX1Specialized Stumpjumper FSR EVO 650b
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
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