Quiver

2021 Specialized Epic Hardtail Expert vs 2021 Specialized Rockhopper Comp

The S is the Specialized Rockhopper Comp size closest to your S Specialized Epic Hardtail Expert. 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 Specialized Rockhopper Comp

Compared with the Specialized Epic Hardtail Expert in S, the Specialized Rockhopper Comp in S places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.

Frame stack
−1 mm
About the same height
Frame reach
±0 mm
About the same reach
Wheelbase
+13 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
+10 mm
Longer: more planted

The two frames

2021 Specialized Epic Hardtail Expert (S) and 2021 Specialized Rockhopper Comp (S), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Epic Hardtail Expert is drawn in full with its measurements, and the Specialized Rockhopper Comp is the colored outline on top.J 1092

Specialized Epic Hardtail Expert, SSpecialized Rockhopper Comp, SDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Epic Hardtail Expert SSpecialized Rockhopper Comp SDifference
Reach405mm405±0 mm
Stack608mm607−1 mm
Head tube angle68.5°68.5±0.0°
Seat tube angle74°73.5−0.5°
Chainstay length430mm440+10 mm
Wheelbase1092mm1105+13 mm
BB drop63mmnot listed
BB height309mmnot listed
Standover762mm732mm−30 mm
Seat tube length400mm360mm−40 mm
Fork length506mm505mm−1 mm
Head tube length95mm95mm±0 mm

Differences are the Specialized Rockhopper Comp minus the Specialized Epic Hardtail Expert. Full charts: 2021 Specialized Epic Hardtail Expert, 2021 Specialized Rockhopper Comp.

Where each sits in its class

Specialized Epic Hardtail ExpertSpecialized Rockhopper Comp

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 Hardtail ExpertHardtail ExpertSpecialized Rockhopper Comp
ForkRockShox SID SL BRAINnot listed
ShifterSRAM X01not listed
DerailleurSRAM X01 Eaglenot listed
CassetteSRAM GX Eaglenot listed
ChainSRAM GX Eaglenot listed
CranksetSRAM X1 Eaglenot listed
Bottom bracketSRAM DUBnot listed
TireSpecialized Fast Traknot listed
HubDT Swiss 350not listed
RimRoval Controlnot listed
BrakeSRAM TLnot listed
HandlebarSpecialized Mini Risenot listed
SaddleSpecialized Power Sportnot listed

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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