2026 Specialized Crux Comp Shimano vs 2026 Colnago G4-X SRAM XPLR
The 480 is the Colnago G4-X SRAM XPLR size closest to your 54 Specialized Crux Comp Shimano. 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 Shimano in 54, the Colnago G4-X SRAM XPLR in 480 places the top of the head tube 6 mm lower and 8 mm further back, relative to the bottom bracket.
- Frame stack
- −6 mm
- Lower front end
- Frame reach
- −8 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Specialized Crux Comp Shimano is drawn. The Colnago G4-X SRAM XPLR numbers we have for size 480 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Crux Comp Shimano 54 | Colnago G4-X SRAM XPLR 480 | Difference |
|---|---|---|---|
| Reach | 388 | 380 | −8 mm |
| Stack | 560 | 554 | −6 mm |
| Head tube angle | 71.5 | 71.5 | ±0.0° |
| Seat tube angle | 74 | 74 | ±0.0° |
| Effective top tube | 549 | 539 | −10 mm |
| Chainstay length | 425 | 430 | +5 mm |
| Wheelbase | 1023 | not listed | |
| BB drop | 72 | 72 | ±0 mm |
| Head tube length | 130 | not listed | |
| Fork length | not listed | 406 |
Differences are the Colnago G4-X SRAM XPLR minus the Specialized Crux Comp Shimano. Full charts: 2026 Specialized Crux Comp Shimano, 2026 Colnago G4-X SRAM XPLR.
Where each sits in its class
Specialized Crux Comp ShimanoColnago 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 Comp ShimanoComp Shimano GRX | Colnago G4-X SRAM XPLRSRAM Force XPLR AXS 1x |
|---|---|---|
| Frame | Specialized Crux FACT 10r Carbon | Colnago G4-X |
| Fork | Specialized FACT carbon | Colnago G4-X Carbon |
| Shifter | Shimano GRX RX820 820 | 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 BB | SRAM DUB |
| Wheelset | DT Swiss G540 | Vision SC45 |
| Tire | Specialized Pathfinder Pro 2BR | Pirelli Cinturato Gravel |
| Brake | Shimano GRX RX820 | SRAM Force |
| Rotor | Shimano 180mm CenterLock | SRAM CenterLine XR |
| Handlebar | Specialized Adventure Gear | Colnago CC.01 Wide |
| Stem | Specialized 3D-forged alloy | not listed |
| Seatpost | Roval Terra Carbon | Colnago Carbon D-Shape |
| Saddle | Specialized Body Geometry Power Sport | 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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