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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 - 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 SM - 130mm Fork, the Specialized Stumpjumper FSR EVO 650b in S places the top of the head tube 7 mm lower and 4 mm further back, relative to the bottom bracket. Its wheelbase is 28 mm shorter, which can contribute to quicker direction changes.

Frame stack
−7 mm
Lower front end
Frame reach
−4 mm
Shorter frame reach
Wheelbase
−28 mm
Shorter: quicker to change direction
Head angle
+0.5°
Steeper: sharper steering
Chainstays
−2 mm
About the same

The two frames

2017 Salsa Horsethief GX1 (SM - 130mm Fork) and 2015 Specialized Stumpjumper FSR EVO 650b (S), lined up at the bottom bracketBoth frames drawn to scale. The Salsa Horsethief GX1 is drawn in full with its measurements, and the Specialized Stumpjumper FSR EVO 650b is the colored outline on top.J 1135

Salsa Horsethief GX1, SM - 130mm ForkSpecialized Stumpjumper FSR EVO 650b, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSalsa Horsethief GX1 SM - 130mm ForkSpecialized Stumpjumper FSR EVO 650b SDifference
Reach404.8401mm−4 mm
Stack609.2602mm−7 mm
Head tube angle67.568°+0.5°
Seat tube angle7374°+1.0°
Effective top tube591.7568mm−24 mm
Chainstay length437435mm−2 mm
Wheelbase1134.61107mm−28 mm
BB drop31.8not listed
Standover752.6738mm−15 mm
Seat tube length407396mm−11 mm
Fork length542not listed
Head tube length100not listed
BB heightnot listed327mm

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

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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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