2021 Specialized Chisel vs 2021 Specialized Rockhopper Comp
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Rockhopper Comp
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- −1 mm
- About the same
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +8 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Specialized Chisel numbers we have for size M are missing the reach. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Chisel M | Specialized Rockhopper Comp M | Difference |
|---|---|---|---|
| Reach | not listed | 425 | |
| Stack | 606mm | 616 | +10 mm |
| Head tube angle | 68° | 68.5 | +0.5° |
| Seat tube angle | 74° | 73.5 | −0.5° |
| Chainstay length | 432mm | 440 | +8 mm |
| Wheelbase | 1125mm | 1124 | −1 mm |
| BB drop | not listed | not listed | |
| BB height | 309mm | not listed | |
| Standover | 793mm | 754mm | −39 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. Full charts: 2021 Specialized Chisel, 2021 Specialized Rockhopper Comp.
Where each sits in its class
Specialized ChiselSpecialized Rockhopper Comp
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
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 ChiselChisel | Specialized Rockhopper Comp |
|---|---|---|
| Frame | Specialized D'Aluisio Smartweld M5 | not listed |
| Fork | RockShox Judy | not listed |
| Shifter | Shimano Deore | not listed |
| Derailleur | Shimano Deore | not listed |
| Cassette | Shimano Deore M6100 | not listed |
| Chain | KMC X-12 | not listed |
| Crankset | Specialized Stout Pro | not listed |
| Tire | Specialized Fast Trak | not listed |
| Hub | Shimano MT410-B | not listed |
| Rim | Specialized hookless | not listed |
| Brake | Shimano Deore M4100 | not listed |
| Handlebar | Specialized Mini Rise | not listed |
| Saddle | Specialized Power Sport | not listed |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



