2026 Specialized Crux Comp vs 2025 Cervélo Áspero RX610
The 51 is the Cervélo Áspero RX610 size closest to your 49 Specialized Crux 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 Cervélo Áspero RX610
Compared with the Specialized Crux Comp in 49, the Cervélo Áspero RX610 in 51 places the top of the head tube at about the same height and 4 mm further forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Crux Comp is drawn. The Cervélo Áspero RX610 numbers we have for size 51 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Crux Comp 49 | Cervélo Áspero RX610 51 | Difference |
|---|---|---|---|
| Reach | 375mm | 379 | +4 mm |
| Stack | 530mm | 530 | ±0 mm |
| Head tube angle | 70.5° | 71.5 | +1.0° |
| Seat tube angle | 75.5° | 74 | −1.5° |
| Effective top tube | 512mm | not listed | |
| Chainstay length | 425mm | 425 | ±0 mm |
| Wheelbase | 1008mm | not listed | |
| BB drop | 74mm | not listed | |
| BB height | 284mm | not listed | |
| Standover | 749mm | 704 | −45 mm |
| Seat tube length | 466mm | not listed | |
| Fork length | 401mm | not listed | |
| Head tube length | 100mm | not listed |
Differences are the Cervélo Áspero RX610 minus the Specialized Crux Comp. Full charts: 2026 Specialized Crux Comp, 2025 Cervélo Áspero RX610.
Where each sits in its class
Specialized Crux CompCervélo Áspero RX610
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 | Specialized Crux CompComp | Cervélo Áspero RX610GRX RX610 |
|---|---|---|
| Frame | Specialized Crux FACT | not listed |
| Shifter | Shimano GRX RX820 | not listed |
| Derailleur | Shimano GRX RD-RX822-GS | not listed |
| Cassette | Shimano XT M8100 | Shimano GRX |
| Chain | Shimano XT M8100 | not listed |
| Crankset | Shimano GRX RX820 | Shimano GRX |
| Wheelset | DT Swiss G540 | Vision Team 30 |
| Tire | Pathfinder Pro | not listed |
| Brake | Shimano GRX RX820 | not listed |
| Seatpost | Roval Terra | Standard |
| Saddle | Specialized Power Sport | not listed |
| Handlebar | not listed | Standard |
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