Quiver

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

The Specialized Stumpjumper FSR EVO 650b size closest to your MD - 130mm Fork is the M. Compare the M instead

What changes on the Specialized Stumpjumper FSR EVO 650b

Compared with the Salsa Horsethief GX1 in MD - 130mm Fork, the Specialized Stumpjumper FSR EVO 650b in S places the top of the head tube 17 mm lower and 21 mm further back, relative to the bottom bracket. Its wheelbase is 48 mm shorter, which can contribute to quicker direction changes.

Frame stack
−17 mm
Lower front end
Frame reach
−21 mm
Shorter frame reach
Wheelbase
−49 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 (MD - 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 1156

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

Geometry side by side

MeasurementSalsa Horsethief GX1 MD - 130mm ForkSpecialized Stumpjumper FSR EVO 650b SDifference
Reach422401mm−21 mm
Stack618.6602mm−17 mm
Head tube angle67.568°+0.5°
Seat tube angle7374°+1.0°
Effective top tube611.8568mm−44 mm
Chainstay length437435mm−2 mm
Wheelbase1155.51107mm−49 mm
BB drop31.8not listed
Standover755.4738mm−17 mm
Seat tube length457396mm−61 mm
Fork length542not listed
Head tube length110not 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.

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet