2026 Specialized Crux SRAM XPLR vs 2026 Colnago G4-X SRAM XPLR
The 450 is the Colnago G4-X SRAM XPLR size closest to your 49 Specialized Crux SRAM XPLR. 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 SRAM XPLR 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 SRAM XPLR 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 SRAM XPLR 49 | Colnago G4-X SRAM XPLR 450 | Difference |
|---|---|---|---|
| Reach | 375 | 371 | −4 mm |
| Stack | 530 | 535 | +5 mm |
| Head tube angle | 70.5 | 71 | +0.5° |
| Seat tube angle | 75.5 | 74 | −1.5° |
| Effective top tube | 512 | 524 | +12 mm |
| Chainstay length | 425 | 430 | +5 mm |
| Wheelbase | 1008 | not listed | |
| BB drop | 74 | 72 | −2 mm |
| Head tube length | 100 | not listed | |
| Fork length | not listed | 406 |
Differences are the Colnago G4-X SRAM XPLR minus the Specialized Crux SRAM XPLR. Full charts: 2026 Specialized Crux SRAM XPLR, 2026 Colnago G4-X SRAM XPLR.
Where each sits in its class
Specialized Crux SRAM XPLRColnago 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 SRAM XPLRS-Works SRAM RED XPLR AXS | Colnago G4-X SRAM XPLRSRAM Force XPLR AXS 1x |
|---|---|---|
| Frame | S Works FACT 12r | Colnago G4-X |
| Fork | Specialized FACT | Colnago G4-X Carbon |
| Shifter | SRAM XPLR RED | SRAM Force |
| Derailleur | SRAM XPLR RED | SRAM RD-FRC Force |
| Cassette | SRAM XPLR RED | SRAM Force |
| Chain | SRAM RED E1 | SRAM CN-FRC Force |
| Crankset | SRAM AXS RED | SRAM DUB |
| Chainring | SRAM Red AXS 40t | SRAM 40T |
| Bottom bracket | SRAM DUB GX | SRAM DUB |
| Wheelset | Roval Terra CLX II | Vision SC45 |
| Tire | Pathfinder | Pirelli Cinturato Gravel |
| Brake | SRAM AXS RED | SRAM Force |
| Rotor | SRAM 180mm CenterLock | SRAM CenterLine XR |
| Handlebar | Roval Terra | Colnago CC.01 Wide |
| Stem | S Works SL | not listed |
| Seatpost | Roval Alpinist | Colnago Carbon D-Shape |
| Saddle | S Works Power | Selle Italia Novus Boost Evo Superflow |
| Grips | not listed | Colnago Grip Black |
| Headset | not listed | Acros 42x52x7 |
| Bottle cage | not listed | Colnago Matte Black |
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