2024 Specialized Rockhopper Sport vs 2025 Specialized Chisel Hardtail
The S is the Specialized Chisel Hardtail size closest to your M - 27.5 Specialized Rockhopper Sport. 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 Sport in M - 27.5, the Specialized Chisel Hardtail in S places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −6 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Specialized Rockhopper Sport, M - 27.5Specialized Chisel Hardtail, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Rockhopper Sport M - 27.5 | Specialized Chisel Hardtail S | Difference |
|---|---|---|---|
| Reach | 405mm | 405mm | ±0 mm |
| Stack | 607mm | 605mm | −2 mm |
| Head tube angle | 68.5° | 68° | −0.5° |
| Seat tube angle | 73.5° | 74° | +0.5° |
| Chainstay length | 440mm | 432mm | −8 mm |
| Wheelbase | 1105mm | 1099mm | −6 mm |
| Standover | 732mm | 762mm | +30 mm |
| Seat tube length | 360mm | 400mm | +40 mm |
| Fork length | 505mm | 506mm | +1 mm |
| Head tube length | 95mm | 95mm | ±0 mm |
| BB drop | not listed | 63mm | |
| BB height | not listed | 309mm |
Differences are the Specialized Chisel Hardtail minus the Specialized Rockhopper Sport. Full charts: 2024 Specialized Rockhopper Sport, 2025 Specialized Chisel Hardtail.
Where each sits in its class
Specialized Rockhopper SportSpecialized 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 SportSport | Specialized Chisel HardtailHardtail |
|---|---|---|
| Frame | Specialized A1 premium butted | Specialized D'Aluisio Smartweld M5 |
| Fork | SR Suntour XCM 29 | not listed |
| Shifter | Shimano CUES SL-U4000-9R | not listed |
| Derailleur | Shimano CUES U4000 | not listed |
| Cassette | Shimano CUES CS-LG300-9 | not listed |
| Chain | Shimano CN-LG500 | not listed |
| Crankset | Specialized Stout | not listed |
| Pedals | SBC-54 | not listed |
| Wheelset | Formula SP-2120/SP-2125 | not listed |
| Tire | Specialized Fast Trak Sport | not listed |
| Hub | Formula SP-2120, Formula SP-2125 | not listed |
| Brake | Tektro BR-M275 | not listed |
| Rotor | Tektro BR-M275 | not listed |
| Handlebar | Specialized Stout | not listed |
| Stem | 3D-forged | not listed |
| Grips | Specialized Trail | not listed |
| Saddle | Specialized Bridge Sport | not listed |
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