2026 Specialized Crux Comp vs 2026 Colnago G4-X SRAM XPLR
The 450 is the Colnago G4-X SRAM XPLR size closest to your 49 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 49, the Colnago G4-X SRAM XPLR in 450 places the top of the head tube 5 mm higher and 4 mm further back, relative to the bottom bracket.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +0.5°
- Steeper: sharper 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 450 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Crux Comp 49 | Colnago G4-X SRAM XPLR 450 | Difference |
|---|---|---|---|
| Reach | 375mm | 371 | −4 mm |
| Stack | 530mm | 535 | +5 mm |
| Head tube angle | 70.5° | 71 | +0.5° |
| Seat tube angle | 75.5° | 74 | −1.5° |
| Effective top tube | 512mm | 524 | +12 mm |
| Chainstay length | 425mm | 430 | +5 mm |
| Wheelbase | 1008mm | not listed | |
| BB drop | 74mm | 72 | −2 mm |
| BB height | 284mm | not listed | |
| Standover | 749mm | not listed | |
| Seat tube length | 466mm | not listed | |
| Fork length | 401mm | 406 | +5 mm |
| Head tube length | 100mm | not listed |
Differences are the Colnago G4-X SRAM XPLR minus the Specialized Crux Comp. Full charts: 2026 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 |
| Shifter | Shimano GRX RX820 | SRAM Force |
| Derailleur | Shimano GRX RD-RX822-GS | SRAM RD-FRC Force |
| Cassette | Shimano XT M8100 | SRAM Force |
| Chain | Shimano XT M8100 | SRAM CN-FRC Force |
| Crankset | Shimano GRX RX820 | SRAM DUB |
| Wheelset | DT Swiss G540 | Vision SC45 |
| Tire | Pathfinder Pro | Pirelli Cinturato Gravel |
| Brake | Shimano GRX RX820 | SRAM Force |
| Seatpost | Roval Terra | Colnago Carbon D-Shape |
| Saddle | Specialized Power Sport | Selle Italia Novus Boost Evo Superflow |
| Fork | not listed | Colnago G4-X Carbon |
| Chainring | not listed | SRAM 40T |
| Bottom bracket | not listed | SRAM DUB |
| Rotor | not listed | SRAM CenterLine XR |
| Handlebar | not listed | Colnago CC.01 Wide |
| Grips | not listed | Colnago Grip Black |
| Headset | not listed | Acros 42x52x7 |
| Bottle cage | not listed | Colnago Matte Black |
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