Quiver

2026 Specialized Crux Expert Shimano vs 2026 Colnago G4-X SRAM XPLR

The 480 is the Colnago G4-X SRAM XPLR size closest to your 54 Specialized Crux Expert Shimano. 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 SRAM XPLR

Compared with the Specialized Crux Expert Shimano in 54, the Colnago G4-X SRAM XPLR in 480 places the top of the head tube 6 mm lower and 8 mm further back, relative to the bottom bracket.

Frame stack
−6 mm
Lower front end
Frame reach
−8 mm
Shorter frame reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
±0.0°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

2026 Specialized Crux Expert Shimano (54)The Specialized Crux Expert Shimano frame drawn to scale.J 1023

Only the Specialized Crux Expert Shimano is drawn. The Colnago G4-X SRAM XPLR numbers we have for size 480 are missing the wheelbase.

Geometry side by side

MeasurementSpecialized Crux Expert Shimano 54Colnago G4-X SRAM XPLR 480Difference
Reach388mm380−8 mm
Stack560mm554−6 mm
Head tube angle71.5°71.5±0.0°
Seat tube angle74°74±0.0°
Effective top tube549mm539−10 mm
Chainstay length425mm430+5 mm
Wheelbase1023mmnot listed
BB drop72mm72±0 mm
BB height286mmnot listed
Standover794mmnot listed
Seat tube length521mmnot listed
Fork length401mm406+5 mm
Head tube length130mmnot listed

Differences are the Colnago G4-X SRAM XPLR minus the Specialized Crux Expert Shimano. Full charts: 2026 Specialized Crux Expert Shimano, 2026 Colnago G4-X SRAM XPLR.

Where each sits in its class

Specialized Crux Expert ShimanoColnago G4-X SRAM XPLR

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 Expert ShimanoExpert - Shimano GRX Di2Colnago G4-X SRAM XPLRSRAM Force XPLR AXS 1x
FrameSpecialized Crux FACTColnago G4-X
ShifterShimano GRX RX825 Di2SRAM Force
DerailleurShimano GRX RX827 Di2SRAM RD-FRC Force
CassetteShimano XT M8100SRAM Force
ChainShimano XT M8100SRAM CN-FRC Force
CranksetShimano GRX RX820SRAM DUB
WheelsetRoval Terra CVision SC45
TireSpecialized PathfinderPirelli Cinturato Gravel
BrakeShimano GRX RX800SRAM Force
SeatpostRoval TerraColnago Carbon D-Shape
SaddleSpecialized Power ExpertSelle Italia Novus Boost Evo Superflow
Forknot listedColnago G4-X Carbon
Chainringnot listedSRAM 40T
Bottom bracketnot listedSRAM DUB
Rotornot listedSRAM CenterLine XR
Handlebarnot listedColnago CC.01 Wide
Gripsnot listedColnago Grip Black
Headsetnot listedAcros 42x52x7
Bottle cagenot listedColnago Matte Black

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet