2017 Salsa Horsethief GX1 vs 2015 Specialized Stumpjumper FSR EVO 650b
The M is the Specialized Stumpjumper FSR EVO 650b size closest to your LG - 130mm 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 LG - 130mm Fork, the Specialized Stumpjumper FSR EVO 650b in M places the top of the head tube at about the same height and 16 mm further back, relative to the bottom bracket. Its wheelbase is 38 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +0 mm
- About the same height
- Frame reach
- −16 mm
- Shorter frame reach
- Wheelbase
- −39 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −2 mm
- About the same
The two frames
Salsa Horsethief GX1, LG - 130mm ForkSpecialized Stumpjumper FSR EVO 650b, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Salsa Horsethief GX1 LG - 130mm Fork | Specialized Stumpjumper FSR EVO 650b M | Difference |
|---|---|---|---|
| Reach | 442.1 | 426mm | −16 mm |
| Stack | 618.6 | 619mm | +0 mm |
| Head tube angle | 67.5 | 68° | +0.5° |
| Seat tube angle | 73 | 74° | +1.0° |
| Effective top tube | 631.8 | 595mm | −37 mm |
| Chainstay length | 437 | 435mm | −2 mm |
| Wheelbase | 1175.5 | 1137mm | −39 mm |
| BB drop | 31.8 | not listed | |
| Standover | 797.3 | 729mm | −68 mm |
| Seat tube length | 508 | 430mm | −78 mm |
| Fork length | 542 | not listed | |
| Head tube length | 110 | 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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