2021 Specialized Rockhopper Comp vs 2021 Specialized Chisel
The S is the Specialized Chisel size closest to your M 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
Compared with the Specialized Rockhopper Comp in M, the Specialized Chisel in S places the top of the head tube 10 mm lower and 19 mm further back, relative to the bottom bracket. Its wheelbase is 24 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- −19 mm
- Shorter frame reach
- Wheelbase
- −24 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Specialized Rockhopper Comp, MSpecialized Chisel, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Rockhopper Comp M | Specialized Chisel S | Difference |
|---|---|---|---|
| Reach | 425 | 406mm | −19 mm |
| Stack | 616 | 606mm | −10 mm |
| Head tube angle | 68.5 | 68° | −0.5° |
| Seat tube angle | 73.5 | 74° | +0.5° |
| Chainstay length | 440 | 432mm | −8 mm |
| Wheelbase | 1124 | 1100mm | −24 mm |
| Standover | 754mm | 763mm | +9 mm |
| Seat tube length | 400mm | 400mm | ±0 mm |
| Fork length | 515mm | 506mm | −9 mm |
| Head tube length | 95mm | 95mm | ±0 mm |
| BB drop | not listed | not listed | |
| BB height | not listed | 309mm |
Differences are the Specialized Chisel minus the Specialized Rockhopper Comp. Full charts: 2021 Specialized Rockhopper Comp, 2021 Specialized Chisel.
Where each sits in its class
Specialized Rockhopper CompSpecialized Chisel
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 Comp | Specialized ChiselChisel |
|---|---|---|
| Frame | not listed | Specialized D'Aluisio Smartweld M5 |
| Fork | not listed | RockShox Judy |
| Shifter | not listed | Shimano Deore |
| Derailleur | not listed | Shimano Deore |
| Cassette | not listed | Shimano Deore M6100 |
| Chain | not listed | KMC X-12 |
| Crankset | not listed | Specialized Stout Pro |
| Tire | not listed | Specialized Fast Trak |
| Hub | not listed | Shimano MT410-B |
| Rim | not listed | Specialized hookless |
| Brake | not listed | Shimano Deore M4100 |
| Handlebar | not listed | Specialized Mini Rise |
| Saddle | not listed | Specialized Power Sport |
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