2023 Colnago G3-X vs 2021 Specialized Crux Pro
The 49 is the Specialized Crux Pro size closest to your 46s 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 Pro
Compared with the Colnago G3-X in 46s, the Specialized Crux Pro in 49 places the top of the head tube 5 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +5 mm
- Higher 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 46s are missing the wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Colnago G3-X 46s | Specialized Crux Pro 49 | Difference |
|---|---|---|---|
| Reach | 371 | 369mm | −2 mm |
| Stack | 535 | 540mm | +5 mm |
| Head tube angle | 70.8 | 70.5° | −0.3° |
| Seat tube angle | 75.0 | 75.5° | +0.5° |
| Effective top tube | 430 | not listed | |
| Chainstay length | 430 | 425mm | −5 mm |
| BB drop | 70 | 71mm | +1 mm |
| Fork length | 409 | 400mm | −9 mm |
| Head tube length | 102 | 115mm | +13 mm |
| Wheelbase | not listed | 1007mm | |
| BB height | not listed | 281.5mm | |
| Standover | not listed | 781.5mm | |
| Seat tube length | not listed | 490mm |
Differences are the Specialized Crux Pro minus the Colnago G3-X. Full charts: 2023 Colnago G3-X, 2021 Specialized Crux Pro.
Where each sits in its class
Colnago G3-XSpecialized Crux Pro
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 | Specialized Crux ProPro |
|---|---|---|
| Frame | Colnago G3-X | not listed |
| Shifter | Shimano GRX RX820 | SRAM Force eTap AXS |
| Derailleur | Shimano GRX RX820 | SRAM Force eTAP AXS |
| Chain | Shimano XT M8100 | SRAM Force |
| Crankset | Shimano GRX | SRAM Force |
| Chainring | Shimano GRX | not listed |
| Bottom bracket | Shimano BB72 | SRAM DUB |
| Wheelset | Fulcrum Rapid Red 900 DB | Roval Terra CL |
| Tire | Pirelli Cinturato Gravel | Specialized Tracer Pro |
| Brake | Shimano GRX RX820 | SRAM Rival 1 |
| Rotor | Shimano MT800, Shimano RT-MT800-S | not listed |
| Handlebar | Deda Gravel 100 | not listed |
| Stem | Deda Zero 1 | not listed |
| Bar tape | Colnago Grip Black | not listed |
| Saddle | Prologo Kappa BK | Specialized Power |
| Bottle cage | Colnago Matt Black | not listed |
| Cassette | not listed | SRAM Force |
| Seatpost | not listed | Roval Terra |
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