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2015 Specialized Stumpjumper FSR Expert Carbon EVO 650b vs 2017 Salsa Horsethief Carbon GX1

The SM - 130mm Fork is the Salsa Horsethief Carbon GX1 size closest to your S Specialized Stumpjumper FSR Expert Carbon EVO 650b. 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 Salsa Horsethief Carbon GX1

Compared with the Specialized Stumpjumper FSR Expert Carbon EVO 650b in S, the Salsa Horsethief Carbon GX1 in SM - 130mm Fork places the top of the head tube 7 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 28 mm longer, which can contribute to stability at speed.

Frame stack
+7 mm
Higher front end
Frame reach
+4 mm
Longer frame reach
Wheelbase
+28 mm
Longer: steadier at speed
Head angle
−0.5°
Slacker: calmer steering
Chainstays
+2 mm
About the same

The two frames

2015 Specialized Stumpjumper FSR Expert Carbon EVO 650b (S) and 2017 Salsa Horsethief Carbon GX1 (SM - 130mm Fork), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Stumpjumper FSR Expert Carbon EVO 650b is drawn in full with its measurements, and the Salsa Horsethief Carbon GX1 is the colored outline on top.J 1107

Specialized Stumpjumper FSR Expert Carbon EVO 650b, SSalsa Horsethief Carbon GX1, SM - 130mm ForkDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR Expert Carbon EVO 650b SSalsa Horsethief Carbon GX1 SM - 130mm ForkDifference
Reach401mm404.8+4 mm
Stack602mm609.2+7 mm
Head tube angle68°67.5−0.5°
Seat tube angle74°73−1.0°
Effective top tube568mm591.7+24 mm
Chainstay length435mm437+2 mm
Wheelbase1107mm1134.6+28 mm
BB height327mmnot listed
Standover738mm752.6+15 mm
Seat tube length396mm407+11 mm
BB dropnot listed31.8
Fork lengthnot listed542
Head tube lengthnot listed100

Differences are the Salsa Horsethief Carbon GX1 minus the Specialized Stumpjumper FSR Expert Carbon EVO 650b. Full charts: 2015 Specialized Stumpjumper FSR Expert Carbon EVO 650b, 2017 Salsa Horsethief Carbon GX1.

Where each sits in its class

Specialized Stumpjumper FSR Expert Carbon EVO 650bSalsa Horsethief Carbon GX1

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.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSpecialized Stumpjumper FSR Expert Carbon EVO 650bExpert Carbon EVO 650bSalsa Horsethief Carbon GX1
ForkRockShox Pike RCnot listed
Rear shockFox FLOAT CTD Factorynot listed
ShifterSRAM X01not listed
DerailleurSRAM X01not listed
CassetteSRAM XG-1195not listed
ChainSRAM PC-X1not listed
CranksetSRAM S-2200not listed
WheelsetRoval Traverséenot listed
TireSpecialized Butcher Control, Specialized Slaughter Controlnot listed
BrakeShimano SLX M785not listed
GripsSpecialized Sip Gripnot listed
Dropper postSpecialized Command Post IRnot listed
SeatpostSpecialized Command Post IRnot listed
SaddleSpecialized Henge Compnot listed

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