Quiver

2012 Specialized Epic Expert Carbon 29 vs 2014 Trek X-Caliber

The XL is the Trek X-Caliber size closest to your XL Specialized Epic Expert 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 X-Caliber

Compared with the Specialized Epic Expert Carbon 29 in XL, the Trek X-Caliber in XL places the top of the head tube 13 mm lower and about as far forward, relative to the bottom bracket.

Frame stack
−13 mm
Lower front end
Frame reach
±0 mm
About the same reach
Wheelbase
+2 mm
About the same
Head angle
−0.9°
Slacker: calmer steering
Chainstays
−3 mm
Shorter: livelier

The two frames

2012 Specialized Epic Expert Carbon 29 (XL)The Specialized Epic Expert Carbon 29 frame drawn to scale.J 1163

Only the Specialized Epic Expert Carbon 29 is drawn. The Trek X-Caliber numbers we have for size XL are missing the seat angle.

Geometry side by side

MeasurementSpecialized Epic Expert Carbon 29 XLTrek X-Caliber XLDifference
Reach458mm458±0 mm
Stack633mm620−13 mm
Head tube angle70.5°69.6°−0.9°
Seat tube angle70°not listed
Chainstay length448mm445−3 mm
Wheelbase1163mm1165+2 mm
BB height331mm316−15 mm
Standover790mm825+35 mm
Seat tube length520mm521+1 mm
Effective top tubenot listed659
BB dropnot listed53
Head tube lengthnot listed120

Differences are the Trek X-Caliber minus the Specialized Epic Expert Carbon 29. Full charts: 2012 Specialized Epic Expert Carbon 29, 2014 Trek X-Caliber.

Where each sits in its class

Specialized Epic Expert Carbon 29Trek X-Caliber

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other XC 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 Epic Expert Carbon 29Expert Carbon 29Trek X-Caliber4
ForkRockShox SID 29 BrainSR Suntour M3030
Rear shockFox Mini-Brainnot listed
ShifterSRAM X9Shimano Altus EF51
DerailleurSRAM X-7, SRAM X.0Shimano Altus, Shimano Altus M280
CassetteSRAM PG-1050Shimano HG31
ChainKMC X10not listed
CranksetSRAM S-2200Shimano M131
WheelsetRoval Control 29Formula DC-20
TireSpecialized S-Works Fast Trak, Specialized Renegade ControlBontrager XR1
BrakeFormula R1Trek HL 280
SaddleSpecialized PhenomBontrager Evoke 1
Framenot listedTrek Alpha Gold
Stemnot listedBontrager Approved
Seatpostnot listedBontrager SSR

Know what is on every bike.

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

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