2026 Cervélo Áspero RX610 vs 2026 Specialized Crux Comp Shimano
The 49 is the Specialized Crux Comp Shimano size closest to your 48 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 48, the Specialized Crux Comp Shimano in 49 places the top of the head tube 25 mm higher and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.
- Frame stack
- +25 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +18 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Cervélo Áspero RX610, 48Specialized Crux Comp Shimano, 49Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cervélo Áspero RX610 48 | Specialized Crux Comp Shimano 49 | Difference |
|---|---|---|---|
| Reach | 370 | 375 | +5 mm |
| Stack | 505 | 530 | +25 mm |
| Head tube angle | 71 | 70.5 | −0.5° |
| Seat tube angle | 74.5 | 75.5 | +1.0° |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 990 | 1008 | +18 mm |
| Standover | 681 | not listed | |
| Head tube length | 83 | 100 | +17 mm |
| Effective top tube | not listed | 512 | |
| BB drop | not listed | 74 |
Differences are the Specialized Crux Comp Shimano minus the Cervélo Áspero RX610. Full charts: 2026 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 |
|---|---|---|
| Frame | Cervélo Áspero | Specialized Crux FACT 10r Carbon |
| Shifter | Shimano GRX RX610 | Shimano GRX RX820 820 |
| Derailleur | Shimano GRX RX610 | Shimano GRX RX822-GS |
| Cassette | Shimano HG710 | Shimano XT |
| Crankset | Shimano GRX FC-RX600 | Shimano GRX RX820 |
| Bottom bracket | Cervélo T47a | Shimano BB |
| Wheelset | Alex Rims GX7 | DT Swiss G540 |
| Fork | not listed | Specialized FACT carbon |
| Chain | not listed | Shimano XT M8100 |
| Chainring | not listed | Shimano GRX RX820 |
| Tire | not listed | Specialized Pathfinder Pro 2BR |
| Brake | not listed | Shimano GRX RX820 |
| Rotor | not listed | Shimano 180mm CenterLock |
| Handlebar | not listed | Specialized Adventure Gear |
| Stem | not listed | Specialized 3D-forged alloy |
| Seatpost | not listed | Roval Terra Carbon |
| Saddle | not listed | Specialized Body Geometry Power Sport |
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