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