2024 Colnago G3-X vs 2026 Specialized Crux Comp Shimano
The 52 is the Specialized Crux Comp Shimano size closest to your 49s Colnago G3-X. 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 Colnago G3-X in 49s, the Specialized Crux Comp Shimano in 52 places the top of the head tube 7 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −7 mm
- Lower front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Colnago G3-X numbers we have for size 49s are missing the wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Colnago G3-X 49s | Specialized Crux Comp Shimano 52 | Difference |
|---|---|---|---|
| Reach | 380 | 382 | +2 mm |
| Stack | 554 | 547 | −7 mm |
| Head tube angle | 71.5 | 71.25 | −0.3° |
| Seat tube angle | 74.0 | 74 | ±0.0° |
| Chainstay length | 430 | 425 | −5 mm |
| BB drop | 70 | 74 | +4 mm |
| Fork length | 409 | not listed | |
| Head tube length | 122 | 115 | −7 mm |
| Effective top tube | not listed | 539 | |
| Wheelbase | not listed | 1014 |
Differences are the Specialized Crux Comp Shimano minus the Colnago G3-X. Full charts: 2024 Colnago G3-X, 2026 Specialized Crux Comp Shimano.
Where each sits in its class
Colnago G3-XSpecialized 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 | Colnago G3-XColnago G3-X Rival AXS 1X Disc Bike | Specialized Crux Comp ShimanoComp Shimano GRX |
|---|---|---|
| Frame | Colnago G3-X | Specialized Crux FACT 10r Carbon |
| Shifter | SRAM Rival | Shimano GRX RX820 820 |
| Derailleur | SRAM Rival XPLR AXS | Shimano GRX RX822-GS |
| Cassette | SRAM XG-1251 | Shimano XT |
| Chain | SRAM Rival | Shimano XT M8100 |
| Crankset | SRAM Rival AXS | Shimano GRX RX820 |
| Bottom bracket | SRAM DUB | Shimano BB |
| Wheelset | Fulcrum Rapid Red 900 | DT Swiss G540 |
| Tire | Pirelli Cinturato Gravel H | Specialized Pathfinder Pro 2BR |
| Brake | SRAM Rival AXS | Shimano GRX RX820 |
| Rotor | SRAM Paceline | Shimano 180mm CenterLock |
| Handlebar | Deda Manubrio | Specialized Adventure Gear |
| Stem | Deda Attacco | Specialized 3D-forged alloy |
| Bar tape | Colnago Cork | not listed |
| Saddle | Prologo Kappa | Specialized Body Geometry Power Sport |
| Fork | not listed | Specialized FACT carbon |
| Chainring | not listed | Shimano GRX RX820 |
| Seatpost | not listed | Roval Terra Carbon |
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