Quiver

2023 Specialized Crux Comp vs 2024 Colnago G4-X Shimano

The 520 is the Colnago G4-X Shimano size closest to your 56 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 Colnago G4-X Shimano

Compared with the Specialized Crux Comp in 56, the Colnago G4-X Shimano in 520 places the top of the head tube 5 mm lower and 7 mm further back, relative to the bottom bracket.

Frame stack
−5 mm
Lower front end
Frame reach
−7 mm
Shorter frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
−0.5°
Slacker: calmer steering
Chainstays
+5 mm
Longer: more planted

The two frames

2023 Specialized Crux Comp (56)The Specialized Crux Comp frame drawn to scale.J 1033

Only the Specialized Crux Comp is drawn. The Colnago G4-X Shimano numbers we have for size 520 are missing the wheelbase.

Geometry side by side

MeasurementSpecialized Crux Comp 56Colnago G4-X Shimano 520Difference
Reach397390−7 mm
Stack578573−5 mm
Head tube angle7271.5−0.5°
Seat tube angle73.573.5±0.0°
Chainstay length425mm430+5 mm
Wheelbase1033not listed
BB drop72mm70−2 mm
BB height286mmnot listed
Standover816mmnot listed
Seat tube length546mm520−26 mm
Fork length401mm406+5 mm
Head tube length147mmnot listed
Effective top tubenot listed560

Differences are the Colnago G4-X Shimano minus the Specialized Crux Comp. Full charts: 2023 Specialized Crux Comp, 2024 Colnago G4-X Shimano.

Where each sits in its class

Specialized Crux CompColnago G4-X Shimano

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.

PartSpecialized Crux CompCompColnago G4-X ShimanoShimano GRX 822 1x
FrameSpecialized CruX FACTColnago G4-X
ForkSpecialized FACT 12R Carbonnot listed
ShifterSRAM RivalShimano GRX RX822
DerailleurSRAM Rival 1Shimano GRX RX822
ChainKMC X11 Extranot listed
CranksetSRAM RivalShimano GRX
ChainringSRAM Rival 1xShimano GRX
WheelsetDT Swiss G540Fulcrum Lite ER
TireSpecialized Pathfinder Pro 2BRPirelli Cinturato Gravel
BrakeSRAM RivalShimano GRX RX820
HandlebarSpecialized Adventure GearDeda Gravel 100
SeatpostRoval TerraColnago D-shape
SaddleSpecialized Power SportSelle Italia Novus Boost Evo Superflow FeC
Cassettenot listedShimano GRX
Bottom bracketnot listedAcros T47
Rotornot listedShimano RT-MT800
Stemnot listedDeda Gravel
Headsetnot listedAcros T47
Bottle cagenot listedColnago Matt Black

Know what is on every bike.

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