2025 Specialized Crux Comp vs 2026 Colnago G4-X SRAM XPLR
The 520 is the Colnago G4-X SRAM XPLR size closest to your 56 Specialized Crux Comp. 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 SRAM XPLR
Compared with the Specialized Crux Comp in 56, the Colnago G4-X SRAM XPLR in 520 places the top of the head tube 5 mm lower and 7 mm further back, relative to the bottom bracket.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- −7 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 Comp is drawn. The Colnago G4-X SRAM XPLR numbers we have for size 520 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Crux Comp 56 | Colnago G4-X SRAM XPLR 520 | Difference |
|---|---|---|---|
| Reach | 397mm | 390 | −7 mm |
| Stack | 578mm | 573 | −5 mm |
| Head tube angle | 72° | 71.5 | −0.5° |
| Seat tube angle | 73.5° | 73.5 | ±0.0° |
| Effective top tube | 568 | 560 | −8 mm |
| Chainstay length | 425mm | 430 | +5 mm |
| Wheelbase | 1033mm | not listed | |
| BB drop | 72mm | 70 | −2 mm |
| BB height | 286mm | not listed | |
| Standover | 816mm | not listed | |
| Seat tube length | 546mm | not listed | |
| Fork length | 401mm | 406 | +5 mm |
| Head tube length | 147mm | not listed |
Differences are the Colnago G4-X SRAM XPLR minus the Specialized Crux Comp. Full charts: 2025 Specialized Crux Comp, 2026 Colnago G4-X SRAM XPLR.
Where each sits in its class
Specialized Crux CompColnago 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 CompComp | Colnago G4-X SRAM XPLRSRAM Force XPLR AXS 1x |
|---|---|---|
| Frame | Specialized Crux FACT | Colnago G4-X |
| Fork | Specialized S-Works FACT Carbon | Colnago G4-X Carbon |
| Shifter | Shimano GRX RX820 | SRAM Force |
| Derailleur | Shimano GRX RX822-GS | SRAM RD-FRC Force |
| Cassette | Shimano XT | SRAM Force |
| Chain | Shimano XT M8100 | SRAM CN-FRC Force |
| Crankset | Shimano GRX RX820 | SRAM DUB |
| Chainring | Shimano GRX RX820 | SRAM 40T |
| Bottom bracket | Shimano Threaded BSA | SRAM DUB |
| Wheelset | DT Swiss G540 | Vision SC45 |
| Tire | Specialized Pathfinder Pro 2BR | Pirelli Cinturato Gravel |
| Brake | Shimano GRX RX820 | SRAM Force |
| Handlebar | Specialized Adventure Gear | Colnago CC.01 Wide |
| Stem | Specialized 3D-Forged Alloy | not listed |
| Bar tape | Supacaz Super Sticky Kush | not listed |
| Seatpost | Roval Terra | Colnago Carbon D-Shape |
| Saddle | Specialized Power Sport | Selle Italia Novus Boost Evo Superflow |
| Rotor | not listed | SRAM CenterLine XR |
| Grips | not listed | Colnago Grip Black |
| Headset | not listed | Acros 42x52x7 |
| Bottle cage | not listed | Colnago Matte Black |
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