2021 Specialized Epic Hardtail vs 2021 Specialized Rockhopper Comp
The S is the Specialized Rockhopper Comp size closest to your XS Specialized Epic Hardtail. 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 in XS, the Specialized Rockhopper Comp in S places the top of the head tube 13 mm higher and 20 mm further forward, relative to the bottom bracket. Its wheelbase is 41 mm longer, which can contribute to stability at speed.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- +20 mm
- Longer frame reach
- Wheelbase
- +41 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Specialized Epic Hardtail, XSSpecialized Rockhopper Comp, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Epic Hardtail XS | Specialized Rockhopper Comp S | Difference |
|---|---|---|---|
| Reach | 385mm | 405 | +20 mm |
| Stack | 594mm | 607 | +13 mm |
| Head tube angle | 68.5° | 68.5 | ±0.0° |
| Seat tube angle | 74° | 73.5 | −0.5° |
| Chainstay length | 430mm | 440 | +10 mm |
| Wheelbase | 1064mm | 1105 | +41 mm |
| BB drop | 63mm | not listed | |
| BB height | 309mm | not listed | |
| Standover | 732mm | 732mm | ±0 mm |
| Seat tube length | 367mm | 360mm | −7 mm |
| Fork length | 486mm | 505mm | +19 mm |
| Head tube length | 95mm | 95mm | ±0 mm |
Differences are the Specialized Rockhopper Comp minus the Specialized Epic Hardtail. Full charts: 2021 Specialized Epic Hardtail, 2021 Specialized Rockhopper Comp.
Where each sits in its class
Specialized Epic HardtailSpecialized Rockhopper Comp
Each bike is ranked against the other XC bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
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
