2023 Colnago G3-X vs 2024 Colnago G4-X Shimano
The 450 is the Colnago G4-X Shimano size closest to your 46 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 Colnago G4-X Shimano
Compared with the Colnago G3-X in 46, the Colnago G4-X Shimano in 450 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Colnago G3-X numbers we have for size 46 are missing the chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Colnago G3-X 46 | Colnago G4-X Shimano 450 | Difference |
|---|---|---|---|
| Reach | 371 | 371 | ±0 mm |
| Stack | 535 | 535 | ±0 mm |
| Head tube angle | 70.8 | 71 | +0.2° |
| Seat tube angle | 75.0 | 74 | −1.0° |
| Effective top tube | not listed | 524 | |
| Chainstay length | not listed | 430 | |
| BB drop | 70 | 72 | +2 mm |
| Fork length | not listed | 406 | |
| Head tube length | not listed | not listed | |
| Seat tube length | not listed | 450 |
Differences are the Colnago G4-X Shimano minus the Colnago G3-X. Full charts: 2023 Colnago G3-X, 2024 Colnago G4-X Shimano.
Where each sits in its class
Colnago G3-XColnago G4-X 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 | Colnago G4-X ShimanoShimano GRX 822 1x |
|---|---|---|
| Frame | Colnago G3-X | Colnago G4-X |
| Shifter | Shimano GRX RX820 | Shimano GRX RX822 |
| Derailleur | Shimano GRX RX820 | Shimano GRX RX822 |
| Chain | Shimano XT M8100 | not listed |
| Crankset | Shimano GRX | Shimano GRX |
| Chainring | Shimano GRX | Shimano GRX |
| Bottom bracket | Shimano BB72 | Acros T47 |
| Wheelset | Fulcrum Rapid Red 900 DB | Fulcrum Lite ER |
| Tire | Pirelli Cinturato Gravel | Pirelli Cinturato Gravel |
| Brake | Shimano GRX RX820 | Shimano GRX RX820 |
| Rotor | Shimano MT800, Shimano RT-MT800-S | Shimano RT-MT800 |
| Handlebar | Deda Gravel 100 | Deda Gravel 100 |
| Stem | Deda Zero 1 | Deda Gravel |
| Bar tape | Colnago Grip Black | not listed |
| Saddle | Prologo Kappa BK | Selle Italia Novus Boost Evo Superflow FeC |
| Bottle cage | Colnago Matt Black | Colnago Matt Black |
| Cassette | not listed | Shimano GRX |
| Headset | not listed | Acros T47 |
| Seatpost | not listed | Colnago D-shape |
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