2027 Specialized Diverge 4 Expert Shimano vs 2026 Specialized Diverge Comp Alloy
The 54 is the Specialized Diverge Comp Alloy size closest to your 54 Specialized Diverge 4 Expert 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 Specialized Diverge Comp Alloy
Compared with the Specialized Diverge 4 Expert Shimano in 54, the Specialized Diverge Comp Alloy in 54 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Diverge 4 Expert Shimano, 54Specialized Diverge Comp Alloy, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge 4 Expert Shimano 54 | Specialized Diverge Comp Alloy 54 | Difference |
|---|---|---|---|
| Reach | 387mm | 387 | ±0 mm |
| Stack | 592mm | 592 | ±0 mm |
| Head tube angle | 71° | 71 | ±0.0° |
| Seat tube angle | 74° | 74 | ±0.0° |
| Effective top tube | 556mm | not listed | |
| Chainstay length | 430mm | 430 | ±0 mm |
| Wheelbase | 1041mm | 1041 | ±0 mm |
| BB drop | 85mm | 85 | ±0 mm |
| Standover | 754mm | 754 | ±0 mm |
| Seat tube length | 470mm | 470 | ±0 mm |
| Fork length | 391mm | not listed | |
| Head tube length | 116mm | 116 | ±0 mm |
Differences are the Specialized Diverge Comp Alloy minus the Specialized Diverge 4 Expert Shimano. Full charts: 2027 Specialized Diverge 4 Expert Shimano, 2026 Specialized Diverge Comp Alloy.
Where each sits in its class
Specialized Diverge 4 Expert ShimanoSpecialized Diverge Comp Alloy
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 Diverge 4 Expert ShimanoExpert - Shimano GRX Di2 | Specialized Diverge Comp Alloy4 Comp Alloy |
|---|---|---|
| Frame | Specialized Diverge FACT | Specialized Diverge |
| Fork | Specialized Future Shock 3.2 | Specialized Future Shock 3.1 |
| Shifter | Shimano GRX RX825 Di2 | SRAM Apex |
| Derailleur | Shimano GRX RX827 Di2 | SRAM Eagle Apex |
| Cassette | Shimano XT M8200 | SRAM SX Eagle |
| Chain | Shimano XT M8100 | SRAM NX Eagle |
| Crankset | Shimano GRX RX820 | SRAM Apex |
| Wheelset | Roval Terra C | DT Swiss G540 |
| Tire | Specialized Tracer TLR All Terrain Gravel | Specialized Tracer |
| Brake | Shimano GRX RX820 | SRAM Apex, SRAM Apex AXS |
| Handlebar | Specialized Hover | Specialized Hover |
| Stem | Specialized Future | Specialized Future |
| Seatpost | Roval Terra | Specialized Alloy |
| Saddle | Specialized Power Expert | Specialized Power Sport |
| Bottom bracket | not listed | SRAM DUB |
| Grips | not listed | Supacaz Suave |
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