2024 Colnago G3-X vs 2026 Colnago G4-X Shimano
The Colnago G4-X Shimano size closest to your 52s is the 520. Compare the 520 instead
What changes on the Colnago G4-X Shimano
Compared with the Colnago G3-X in 52s, the Colnago G4-X Shimano in 450 places the top of the head tube 38 mm lower and 19 mm further back, relative to the bottom bracket.
- Frame stack
- −38 mm
- Lower front end
- Frame reach
- −19 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Colnago G3-X numbers we have for size 52s are missing the wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Colnago G3-X 52s | Colnago G4-X Shimano 450 | Difference |
|---|---|---|---|
| Reach | 390 | 371 | −19 mm |
| Stack | 573 | 535 | −38 mm |
| Head tube angle | 71.5 | 71 | −0.5° |
| Seat tube angle | 73.5 | 74 | +0.5° |
| Chainstay length | 440 | 430 | −10 mm |
| BB drop | 70 | 72 | +2 mm |
| Fork length | 409 | 406 | −3 mm |
| Head tube length | 140 | not listed | |
| Effective top tube | not listed | 524 |
Differences are the Colnago G4-X Shimano minus the Colnago G3-X. Full charts: 2024 Colnago G3-X, 2026 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 Rival AXS 1X Disc Bike | Colnago G4-X ShimanoShimano GRX Di2 825 2x |
|---|---|---|
| Frame | Colnago G3-X | Colnago G4-X |
| Shifter | SRAM Rival | not listed |
| Derailleur | SRAM Rival XPLR AXS | not listed |
| Cassette | SRAM XG-1251 | Shimano GRX |
| Chain | SRAM Rival | not listed |
| Crankset | SRAM Rival AXS | Shimano GRX RX620 |
| Bottom bracket | SRAM DUB | Shimano GRX |
| Wheelset | Fulcrum Rapid Red 900 | Fulcrum Lite ER |
| Tire | Pirelli Cinturato Gravel H | not listed |
| Brake | SRAM Rival AXS | Shimano GRX RX820 |
| Rotor | SRAM Paceline | Shimano GRX RX820 |
| Handlebar | Deda Manubrio | not listed |
| Stem | Deda Attacco | not listed |
| Bar tape | Colnago Cork | not listed |
| Saddle | Prologo Kappa | Selle Italia Novus Boost Evo Superflow |
| Fork | not listed | Colnago G4-X Carbon |
| Chainring | not listed | Shimano GRX |
| Headset | not listed | Acros Sealed Bearings |
| Seatpost | not listed | Colnago Carbon D-Shape |
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