Quiver

2014 Specialized Stumpjumper FSR Comp Carbon 29 vs 2015 Trek Stache

The 21 in is the Trek Stache size closest to your L Specialized Stumpjumper FSR Comp Carbon 29. 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 Trek Stache

Compared with the Specialized Stumpjumper FSR Comp Carbon 29 in L, the Trek Stache in 21 in places the top of the head tube 13 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 14 mm shorter, which can contribute to quicker direction changes.

Frame stack
−13 mm
Lower front end
Frame reach
−2 mm
About the same reach
Wheelbase
−14 mm
Shorter: quicker to change direction
Head angle
−0.4°
Slacker: calmer steering
Chainstays
−5 mm
Shorter: livelier

The two frames

2014 Specialized Stumpjumper FSR Comp Carbon 29 (L)The Specialized Stumpjumper FSR Comp Carbon 29 frame drawn to scale.J 1175

Only the Specialized Stumpjumper FSR Comp Carbon 29 is drawn. The Trek Stache numbers we have for size 21 in are missing the seat angle.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR Comp Carbon 29 LTrek Stache 21 inDifference
Reach445mm443−2 mm
Stack638mm625−13 mm
Head tube angle69°68.6°−0.4°
Seat tube angle69.8°not listed
Chainstay length450mm445−5 mm
Wheelbase1175mm1161−14 mm
BB drop34mmnot listed
BB height338mm316−22 mm
Standover750mm824+74 mm
Seat tube length468mm508+40 mm
Head tube length125mm118−7 mm
Effective top tubenot listed640

Differences are the Trek Stache minus the Specialized Stumpjumper FSR Comp Carbon 29. Full charts: 2014 Specialized Stumpjumper FSR Comp Carbon 29, 2015 Trek Stache.

Where each sits in its class

Specialized Stumpjumper FSR Comp Carbon 29Trek Stache

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 Comp Carbon 29Comp Carbon 29Trek Stache7
ForkRockShox Revelation 29 RC3RockShox Recon
Rear shockFox Float CTD Evolutionnot listed
ShifterShimano SLXShimano Deore
DerailleurSRAM X-7, Shimano XT Shadow PlusSRAM X-7, Shimano SLX
CassetteSRAM PG-1030Shimano HG50
ChainSRAM 1031KMC X10
CranksetSRAM S-1250not listed
TireSpecialized Purgatory Control, Specialized Ground ControlBontrager XR3 Expert
HubSpecialized Hi Lonot listed
BrakeFormula C1Shimano Deore M447
GripsSpecialized Sip Gripnot listed
SaddleSpecialized HengeBontrager Evoke 2
Framenot listedTrek Alpha Platinum
Rimnot listedBontrager Duster Elite
Stemnot listedBontrager Rhythm
Headsetnot listedFSA NO.57E

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