2023 Cervélo Áspero RX815 vs 2024 Specialized Crux Comp
The Specialized Crux Comp size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Crux Comp
Compared with the Cervélo Áspero RX815 in 54, the Specialized Crux Comp in 58 places the top of the head tube 43 mm higher and 17 mm further forward, relative to the bottom bracket. Its wheelbase is 35 mm longer, which can contribute to stability at speed.
- Frame stack
- +43 mm
- Higher front end
- Frame reach
- +17 mm
- Longer frame reach
- Wheelbase
- +35 mm
- Longer: steadier at speed
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Cervélo Áspero RX815, 54Specialized Crux Comp, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cervélo Áspero RX815 54 | Specialized Crux Comp 58 | Difference |
|---|---|---|---|
| Reach | 388 | 405 | +17 mm |
| Stack | 555 | 598 | +43 mm |
| Head tube angle | 72 | 72.25 | +0.3° |
| Seat tube angle | 73.5 | 73.5 | ±0.0° |
| Effective top tube | 553 | not listed | |
| Chainstay length | 420 | 425 | +5 mm |
| Wheelbase | 1010 | 1045 | +35 mm |
| BB drop | 76 | 72 | −4 mm |
| Standover | 764 | 841 | +77 mm |
| Head tube length | 133 | 167 | +34 mm |
| BB height | not listed | 286 | |
| Seat tube length | not listed | 576 | |
| Fork length | not listed | 401mm |
Differences are the Specialized Crux Comp minus the Cervélo Áspero RX815. Full charts: 2023 Cervélo Áspero RX815, 2024 Specialized Crux Comp.
Where each sits in its class
Cervélo Áspero RX815Specialized Crux Comp
Each bike is ranked against the other gravel 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 | Cervélo Áspero RX815GRX RX815 Di2 | Specialized Crux CompComp |
|---|---|---|
| Fork | Cervélo Aspero Fork | Specialized FACT carbon |
| Cassette | Shimano HG800 | Shimano XT M8100 |
| Crankset | Shimano GRX RX810 | Shimano GRX RX820 |
| Tire | Panaracer Gravel King SK | Specialized Pathfinder Pro 2BR |
| Headset | FSA IS2 | not listed |
| Frame | not listed | Specialized CruX FACT |
| Shifter | not listed | Shimano GRX RX820 |
| Derailleur | not listed | Shimano GRX RX822-GS |
| Chain | not listed | Shimano XT M8100 |
| Chainring | not listed | Shimano GRX RX820 |
| Bottom bracket | not listed | Shimano GRX RX820 |
| Wheelset | not listed | DT Swiss G540 |
| Brake | not listed | Shimano GRX RX820 |
| Rotor | not listed | Shimano GRX RX820 |
| Handlebar | not listed | Specialized Adventure Gear |
| Stem | not listed | Specialized 3D-forged alloy |
| Seatpost | not listed | Roval Terra |
| Saddle | not listed | Specialized Power Sport |
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