Quiver

2015 Specialized Stumpjumper FSR Expert Carbon EVO 29 vs 2015 Trek Stache

The 23 in is the Trek Stache size closest to your XL Specialized Stumpjumper FSR Expert Carbon EVO 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 Expert Carbon EVO 29 in XL, the Trek Stache in 23 in places the top of the head tube 36 mm lower and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 30 mm shorter, which can contribute to quicker direction changes.

Frame stack
−36 mm
Lower front end
Frame reach
+8 mm
Longer frame reach
Wheelbase
−30 mm
Shorter: quicker to change direction
Head angle
+0.6°
Steeper: sharper steering
Chainstays
−10 mm
Shorter: livelier

The two frames

2015 Specialized Stumpjumper FSR Expert Carbon EVO 29 (XL)The Specialized Stumpjumper FSR Expert Carbon EVO 29 frame drawn to scale.J 1211

Only the Specialized Stumpjumper FSR Expert Carbon EVO 29 is drawn. The Trek Stache numbers we have for size 23 in are missing the seat angle.

Geometry side by side

MeasurementSpecialized Stumpjumper FSR Expert Carbon EVO 29 XLTrek Stache 23 inDifference
Reach456mm464+8 mm
Stack661mm625−36 mm
Head tube angle68°68.6°+0.6°
Seat tube angle69.3°not listed
Effective top tube648mm661+13 mm
Chainstay length455mm445−10 mm
Wheelbase1211mm1181−30 mm
BB drop37mmnot listed
BB height335mm316−19 mm
Standover764mm844+80 mm
Seat tube length523mm545+22 mm
Head tube length145mm118−27 mm

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

Where each sits in its class

Specialized Stumpjumper FSR Expert Carbon EVO 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 Expert Carbon EVO 29Expert Carbon EVO 29Trek Stache7
ForkRockShox Pike RC 29RockShox Recon
Rear shockFox FLOAT CTD Factorynot listed
ShifterSRAM X1Shimano Deore
DerailleurSRAM X01SRAM X-7, Shimano SLX
CassetteSRAM XG-1195Shimano HG50
ChainKMC X-11KMC X10
CranksetSRAM S-2200not listed
TireSpecialized Butcher Control, Specialized Slaughter ControlBontrager XR3 Expert
HubRoval Traversenot listed
RimRoval Traverse Fattie 29Bontrager Duster Elite
BrakeShimano SLX M785Shimano Deore M447
GripsSpecialized Sip Gripnot listed
Dropper postSpecialized Command Post IRnot listed
SeatpostSpecialized Command Post IRnot listed
SaddleSpecialized Henge CompBontrager Evoke 2
Framenot listedTrek Alpha Platinum
Stemnot listedBontrager Rhythm
Headsetnot listedFSA NO.57E

Know what is on every bike.

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