2025 Specialized Chisel Hardtail vs 2026 Specialized Rockhopper Comp
The S-27.5 is the Specialized Rockhopper Comp size closest to your XS Specialized Chisel 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 Chisel Hardtail in XS, the Specialized Rockhopper Comp in S-27.5 places the top of the head tube 18 mm lower and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 22 mm longer, which can contribute to stability at speed.
- Frame stack
- −18 mm
- Lower front end
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- +22 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +8 mm
- Longer: more planted
The two frames
Specialized Chisel Hardtail, XSSpecialized Rockhopper Comp, S-27.5Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Chisel Hardtail XS | Specialized Rockhopper Comp S-27.5 | Difference |
|---|---|---|---|
| Reach | 385mm | 395 | +10 mm |
| Stack | 591mm | 573 | −18 mm |
| Head tube angle | 68° | 68 | ±0.0° |
| Seat tube angle | 74° | 73.5 | −0.5° |
| Chainstay length | 432mm | 440 | +8 mm |
| Wheelbase | 1070mm | 1092 | +22 mm |
| BB drop | 68mm | 43 | −25 mm |
| BB height | 304mm | 310 | +6 mm |
| Standover | 732mm | 695 | −37 mm |
| Seat tube length | 367mm | 350 | −17 mm |
| Fork length | 486mm | not listed | |
| Head tube length | 95mm | 100 | +5 mm |
| Effective top tube | not listed | 565 |
Differences are the Specialized Rockhopper Comp minus the Specialized Chisel Hardtail. Full charts: 2025 Specialized Chisel Hardtail, 2026 Specialized Rockhopper Comp.
Where each sits in its class
Specialized Chisel 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.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Chisel HardtailHardtail | Specialized Rockhopper CompComp |
|---|---|---|
| Frame | Specialized D'Aluisio Smartweld M5 | Specialized Rockhopper |
| Fork | not listed | RockShox Judy Silver Solo Air |
| Shifter | not listed | Shimano Deore M6100 |
| Derailleur | not listed | Shimano Deore M6100 Shadow Plus |
| Cassette | not listed | SunRace 11-51 |
| Chain | not listed | KMC X12EPT |
| Crankset | not listed | Specialized Stout Pro |
| Pedals | not listed | Specialized platform |
| Wheelset | not listed | Formula DC-20 / DC-22 / Specialized Alloy |
| Tire | not listed | Specialized Ground Control 2BR |
| Brake | not listed | Shimano MT200 |
| Handlebar | not listed | Specialized alloy, 9-degree backsweep, 15mm rise, 31.8mm |
| Stem | not listed | Specialized Stout |
| Grips | not listed | Specialized Trail |
| Seatpost | not listed | Alloy, 2-bolt clamp, 30.9mm |
| Saddle | not listed | Specialized Bridge Sport |
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