2025 Specialized Crux Expert SRAM eTap vs 2026 Colnago G4-X SRAM XPLR
The 480 is the Colnago G4-X SRAM XPLR size closest to your 54 Specialized Crux Expert SRAM eTap. 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 Expert SRAM eTap 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 Expert SRAM eTap 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 Expert SRAM eTap 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 Expert SRAM eTap. Full charts: 2025 Specialized Crux Expert SRAM eTap, 2026 Colnago G4-X SRAM XPLR.
Where each sits in its class
Specialized Crux Expert SRAM eTapColnago 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 Expert SRAM eTapExpert SRAM Rival eTap AXS | Colnago G4-X SRAM XPLRSRAM Force XPLR AXS 1x |
|---|---|---|
| Frame | Specialized Crux | Colnago G4-X |
| Fork | Specialized S-Works FACT Carbon | Colnago G4-X Carbon |
| Shifter | SRAM eTap AXS | SRAM Force |
| Derailleur | SRAM XPLR AXS | SRAM RD-FRC Force |
| Cassette | SRAM XG-1251 Rival | SRAM Force |
| Chain | SRAM Flattop Red | SRAM CN-FRC Force |
| Crankset | SRAM Rival AXS | SRAM DUB |
| Chainring | SRAM 40 | SRAM 40T |
| Bottom bracket | SRAM DUB BSA | SRAM DUB |
| Wheelset | Roval Terra C | Vision SC45 |
| Tire | Specialized Pathfinder | Pirelli Cinturato Gravel |
| Brake | SRAM HRD Rival AXS | SRAM Force |
| Rotor | SRAM Centerline CL | SRAM CenterLine XR |
| Handlebar | Specialized Adventure Gear | Colnago CC.01 Wide |
| Stem | Specialized Pro SL | not listed |
| Seatpost | Roval Terra | Colnago Carbon D-Shape |
| Saddle | Bg Power Expert | 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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