Quiver

2023 Cervélo Áspero RX600 vs 2024 Specialized Crux Comp

The 49 is the Specialized Crux Comp size closest to your 51 Cervélo Áspero RX600. 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

Compared with the Cervélo Áspero RX600 in 51, the Specialized Crux Comp in 49 places the top of the head tube at about the same height and 4 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.

Frame stack
−2 mm
About the same height
Frame reach
−4 mm
Shorter frame reach
Wheelbase
+8 mm
Longer: steadier at speed
Head angle
−1.0°
Slacker: calmer steering
Chainstays
+5 mm
Longer: more planted

The two frames

2023 Cervélo Áspero RX600 (51) and 2024 Specialized Crux Comp (49), lined up at the bottom bracketBoth frames drawn to scale. The Cervélo Áspero RX600 is drawn in full with its measurements, and the Specialized Crux Comp is the colored outline on top.J 1000

Cervélo Áspero RX600, 51Specialized Crux Comp, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementCervélo Áspero RX600 51Specialized Crux Comp 49Difference
Reach379375−4 mm
Stack530528−2 mm
Head tube angle71.570.5−1.0°
Seat tube angle7475.5+1.5°
Effective top tube532not listed
Chainstay length420425+5 mm
Wheelbase10001008+8 mm
BB drop78.574−5 mm
Standover732749+17 mm
Head tube length107100−7 mm
BB heightnot listed284
Seat tube lengthnot listed466
Fork lengthnot listed401mm

Differences are the Specialized Crux Comp minus the Cervélo Áspero RX600. Full charts: 2023 Cervélo Áspero RX600, 2024 Specialized Crux Comp.

Where each sits in its class

Cervélo Áspero RX600Specialized Crux Comp

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartCervélo Áspero RX600GRX RX600Specialized Crux CompComp
ForkCervélo Aspero ForkSpecialized FACT carbon
ShifterShimano GRX RX600Shimano GRX RX820
CranksetShimano GRX RX600Shimano GRX RX820
TirePanaracer Gravel King SK SportSpecialized Pathfinder Pro 2BR
HeadsetFSA IS2not listed
Framenot listedSpecialized CruX FACT
Derailleurnot listedShimano GRX RX822-GS
Cassettenot listedShimano XT M8100
Chainnot listedShimano XT M8100
Chainringnot listedShimano GRX RX820
Bottom bracketnot listedShimano GRX RX820
Wheelsetnot listedDT Swiss G540
Brakenot listedShimano GRX RX820
Rotornot listedShimano GRX RX820
Handlebarnot listedSpecialized Adventure Gear
Stemnot listedSpecialized 3D-forged alloy
Seatpostnot listedRoval Terra
Saddlenot listedSpecialized Power Sport

Know what is on every bike.

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