Quiver

2019 Specialized Epic Hardtail vs 2019 Trek X-Caliber Frameset

The Trek X-Caliber Frameset size closest to your M is the M. Compare the M instead

What changes on the Trek X-Caliber Frameset

Compared with the Specialized Epic Hardtail in M, the Trek X-Caliber Frameset in S places the top of the head tube 33 mm lower and 34 mm further back, relative to the bottom bracket. Its wheelbase is 45 mm shorter, which can contribute to quicker direction changes.

Frame stack
−33 mm
Lower front end
Frame reach
−34 mm
Shorter frame reach
Wheelbase
−45 mm
Shorter: quicker to change direction
Head angle
−0.6°
Slacker: calmer steering
Chainstays
−5 mm
Shorter: livelier

The two frames

2019 Specialized Epic Hardtail (M)The Specialized Epic Hardtail frame drawn to scale.J 1099

Only the Specialized Epic Hardtail is drawn. The Trek X-Caliber Frameset numbers we have for size S are missing the seat angle.

Geometry side by side

MeasurementSpecialized Epic Hardtail MTrek X-Caliber Frameset SDifference
Reach418mm384−34 mm
Stack608mm575−33 mm
Head tube angle69.8°69.2°−0.6°
Seat tube angle74°not listed
Effective top tube595mm564−31 mm
Chainstay length430mm425−5 mm
Wheelbase1099mm1054−45 mm
BB drop61mm48−13 mm
BB height309mm306−3 mm
Standover790mm728−62 mm
Seat tube length430mm368−62 mm
Fork length506mmnot listed
Head tube length95mm90−5 mm

Differences are the Trek X-Caliber Frameset minus the Specialized Epic Hardtail. Full charts: 2019 Specialized Epic Hardtail, 2019 Trek X-Caliber Frameset.

Where each sits in its class

Specialized Epic HardtailTrek X-Caliber Frameset

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 HardtailS-Works HardtailTrek X-Caliber FramesetX-Caliber Frameset
ForkRockShox SID Worldnot listed
ShifterSRAM XX1 Eaglenot listed
DerailleurSRAM XX1 Eaglenot listed
CassetteSRAM X01 Eaglenot listed
ChainSRAM XX1 Eaglenot listed
CranksetSRAM XX1 Eaglenot listed
ChainringSRAM Eaglenot listed
Bottom bracketSRAM DUBnot listed
WheelsetRoval Control SLnot listed
TireSpecialized Fast Traknot listed
BrakeSRAM Level Ultimatenot listed
GripsSpecialized Sip Gripnot listed
SaddleSpecialized Phenom Pronot listed
Framenot listedTrek Alpha Gold

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