2025 Specialized Crux FACT 12r Carbon vs 2026 Colnago G4-X SRAM XPLR
The Colnago G4-X SRAM XPLR size closest to your 54 is the 480. Compare the 480 instead
What changes on the Colnago G4-X SRAM XPLR
Compared with the Specialized Crux FACT 12r Carbon in 54, the Colnago G4-X SRAM XPLR in 450 places the top of the head tube 25 mm lower and 17 mm further back, relative to the bottom bracket.
- Frame stack
- −25 mm
- Lower front end
- Frame reach
- −17 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Specialized Crux FACT 12r Carbon is drawn. The Colnago G4-X SRAM XPLR numbers we have for size 450 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Crux FACT 12r Carbon 54 | Colnago G4-X SRAM XPLR 450 | Difference |
|---|---|---|---|
| Reach | 388mm | 371 | −17 mm |
| Stack | 560mm | 535 | −25 mm |
| Head tube angle | 71.5° | 71 | −0.5° |
| Seat tube angle | 74° | 74 | ±0.0° |
| Effective top tube | 549mm | 524 | −25 mm |
| Chainstay length | 425mm | 430 | +5 mm |
| Wheelbase | 1023mm | not listed | |
| BB drop | 72mm | 72 | ±0 mm |
| BB height | 286mm | not listed | |
| Standover | 794mm | not listed | |
| Seat tube length | 521mm | not listed | |
| Fork length | 401mm | 406 | +5 mm |
| Head tube length | 130mm | not listed |
Differences are the Colnago G4-X SRAM XPLR minus the Specialized Crux FACT 12r Carbon. Full charts: 2025 Specialized Crux FACT 12r Carbon, 2026 Colnago G4-X SRAM XPLR.
Where each sits in its class
Specialized Crux FACT 12r CarbonColnago G4-X SRAM XPLR
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 | Specialized Crux FACT 12r CarbonS-Works FACT 12r Carbon | Colnago G4-X SRAM XPLRSRAM Force XPLR AXS 1x |
|---|---|---|
| Frame | Specialized S-Works Crux FACT | Colnago G4-X |
| Seatpost | Roval Alpinist | Colnago Carbon D-Shape |
| Fork | not listed | Colnago G4-X Carbon |
| Shifter | not listed | SRAM Force |
| Derailleur | not listed | SRAM RD-FRC Force |
| Cassette | not listed | SRAM Force |
| Chain | not listed | SRAM CN-FRC Force |
| Crankset | not listed | SRAM DUB |
| Chainring | not listed | SRAM 40T |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Vision SC45 |
| Tire | not listed | Pirelli Cinturato Gravel |
| Brake | not listed | SRAM Force |
| Rotor | not listed | SRAM CenterLine XR |
| Handlebar | not listed | Colnago CC.01 Wide |
| Grips | not listed | Colnago Grip Black |
| Headset | not listed | Acros 42x52x7 |
| Saddle | not listed | Selle Italia Novus Boost Evo Superflow |
| Bottle cage | not listed | Colnago Matte Black |
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