2021 Specialized Chisel Frameset vs 2021 Specialized Rockhopper Comp
The M is the Specialized Rockhopper Comp size closest to your M Specialized Chisel 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 Chisel Frameset in M, the Specialized Rockhopper Comp in M places the top of the head tube 11 mm higher and 5 mm further back, relative to the bottom bracket.
- Frame stack
- +11 mm
- Higher front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +8 mm
- Longer: more planted
The two frames
Specialized Chisel Frameset, MSpecialized Rockhopper Comp, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Chisel Frameset M | Specialized Rockhopper Comp M | Difference |
|---|---|---|---|
| Reach | 430mm | 425 | −5 mm |
| Stack | 605mm | 616 | +11 mm |
| Head tube angle | 68° | 68.5 | +0.5° |
| Seat tube angle | 74° | 73.5 | −0.5° |
| Chainstay length | 432mm | 440 | +8 mm |
| Wheelbase | 1124mm | 1124 | ±0 mm |
| BB drop | 63mm | not listed | |
| BB height | 309mm | not listed | |
| Standover | 792mm | 754mm | −38 mm |
| Seat tube length | 430mm | 400mm | −30 mm |
| Fork length | 506mm | 515mm | +9 mm |
| Head tube length | 95mm | 95mm | ±0 mm |
Differences are the Specialized Rockhopper Comp minus the Specialized Chisel Frameset. Full charts: 2021 Specialized Chisel Frameset, 2021 Specialized Rockhopper Comp.
Where each sits in its class
Specialized Chisel FramesetSpecialized Rockhopper Comp
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.
| Part | Specialized Chisel FramesetFrameset | Specialized Rockhopper Comp |
|---|---|---|
| Frame | Specialized D'Aluisio Smartweld M5 | not listed |
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