2025 Cervélo Áspero RX610 vs 2026 Specialized Crux Comp Shimano
The 49 is the Specialized Crux Comp Shimano size closest to your 51 Cervélo Áspero RX610. 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 Crux Comp Shimano
Compared with the Cervélo Áspero RX610 in 51, the Specialized Crux Comp Shimano in 49 places the top of the head tube at about the same height and 4 mm further back, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Cervélo Áspero RX610 numbers we have for size 51 are missing the wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Cervélo Áspero RX610 51 | Specialized Crux Comp Shimano 49 | Difference |
|---|---|---|---|
| Reach | 379 | 375 | −4 mm |
| Stack | 530 | 530 | ±0 mm |
| Head tube angle | 71.5 | 70.5 | −1.0° |
| Seat tube angle | 74 | 75.5 | +1.5° |
| Chainstay length | 425 | 425 | ±0 mm |
| Standover | 704 | not listed | |
| Effective top tube | not listed | 512 | |
| Wheelbase | not listed | 1008 | |
| BB drop | not listed | 74 | |
| Head tube length | not listed | 100 |
Differences are the Specialized Crux Comp Shimano minus the Cervélo Áspero RX610. Full charts: 2025 Cervélo Áspero RX610, 2026 Specialized Crux Comp Shimano.
Where each sits in its class
Cervélo Áspero RX610Specialized Crux Comp Shimano
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 RX610GRX RX610 | Specialized Crux Comp ShimanoComp Shimano GRX |
|---|---|---|
| Cassette | Shimano GRX | Shimano XT |
| Crankset | Shimano GRX | Shimano GRX RX820 |
| Wheelset | Vision Team 30 | DT Swiss G540 |
| Handlebar | Standard | Specialized Adventure Gear |
| Seatpost | Standard | Roval Terra Carbon |
| Frame | not listed | Specialized Crux FACT 10r Carbon |
| Fork | not listed | Specialized FACT carbon |
| Shifter | not listed | Shimano GRX RX820 820 |
| Derailleur | not listed | Shimano GRX RX822-GS |
| Chain | not listed | Shimano XT M8100 |
| Chainring | not listed | Shimano GRX RX820 |
| Bottom bracket | not listed | Shimano BB |
| Tire | not listed | Specialized Pathfinder Pro 2BR |
| Brake | not listed | Shimano GRX RX820 |
| Rotor | not listed | Shimano 180mm CenterLock |
| Stem | not listed | Specialized 3D-forged alloy |
| Saddle | not listed | Specialized Body Geometry Power Sport |
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