Quiver

2021 Specialized Epic Hardtail Frameset vs 2021 Specialized Rockhopper Comp

The M is the Specialized Rockhopper Comp size closest to your M Specialized Epic Hardtail Frameset. 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 Frameset in M, the Specialized Rockhopper Comp in M places the top of the head tube 8 mm higher and 5 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.

Frame stack
+8 mm
Higher front end
Frame reach
−5 mm
Shorter frame reach
Wheelbase
+7 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 Frameset (M) and 2021 Specialized Rockhopper Comp (M), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Epic Hardtail Frameset is drawn in full with its measurements, and the Specialized Rockhopper Comp is the colored outline on top.J 1117

Specialized Epic Hardtail Frameset, MSpecialized Rockhopper Comp, MDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Epic Hardtail Frameset MSpecialized Rockhopper Comp MDifference
Reach430mm425−5 mm
Stack608mm616+8 mm
Head tube angle68.5°68.5±0.0°
Seat tube angle74°73.5−0.5°
Chainstay length430mm440+10 mm
Wheelbase1117mm1124+7 mm
BB drop63mmnot listed
BB height309mmnot listed
Standover792mm754mm−38 mm
Seat tube length430mm400mm−30 mm
Fork length506mm515mm+9 mm
Head tube length95mm95mm±0 mm

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

Where each sits in its class

Specialized Epic Hardtail FramesetSpecialized 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.

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