2026 Specialized Diverge Comp Alloy vs 2027 Specialized Diverge 4 Expert Shimano
The Specialized Diverge 4 Expert Shimano size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Diverge 4 Expert Shimano
Compared with the Specialized Diverge Comp Alloy in 54, the Specialized Diverge 4 Expert Shimano in 58 places the top of the head tube 42 mm higher and 25 mm further forward, relative to the bottom bracket. Its wheelbase is 40 mm longer, which can contribute to stability at speed.
- Frame stack
- +42 mm
- Higher front end
- Frame reach
- +25 mm
- Longer frame reach
- Wheelbase
- +40 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Diverge Comp Alloy, 54Specialized Diverge 4 Expert Shimano, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge Comp Alloy 54 | Specialized Diverge 4 Expert Shimano 58 | Difference |
|---|---|---|---|
| Reach | 387 | 412mm | +25 mm |
| Stack | 592 | 634mm | +42 mm |
| Head tube angle | 71 | 71° | ±0.0° |
| Seat tube angle | 74 | 74° | ±0.0° |
| Chainstay length | 430 | 430mm | ±0 mm |
| Wheelbase | 1041 | 1081mm | +40 mm |
| BB drop | 85 | 85mm | ±0 mm |
| Standover | 754 | 805mm | +51 mm |
| Seat tube length | 470 | 530mm | +60 mm |
| Head tube length | 116 | 161mm | +45 mm |
| Effective top tube | not listed | 593mm | |
| Fork length | not listed | 391mm |
Differences are the Specialized Diverge 4 Expert Shimano minus the Specialized Diverge Comp Alloy. Full charts: 2026 Specialized Diverge Comp Alloy, 2027 Specialized Diverge 4 Expert Shimano.
Where each sits in its class
Specialized Diverge Comp AlloySpecialized Diverge 4 Expert Shimano
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 Comp Alloy4 Comp Alloy | Specialized Diverge 4 Expert ShimanoExpert - Shimano GRX Di2 |
|---|---|---|
| Frame | Specialized Diverge | Specialized Diverge FACT |
| Fork | Specialized Future Shock 3.1 | Specialized Future Shock 3.2 |
| Shifter | SRAM Apex | Shimano GRX RX825 Di2 |
| Derailleur | SRAM Eagle Apex | Shimano GRX RX827 Di2 |
| Cassette | SRAM SX Eagle | Shimano XT M8200 |
| Chain | SRAM NX Eagle | Shimano XT M8100 |
| Crankset | SRAM Apex | Shimano GRX RX820 |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | DT Swiss G540 | Roval Terra C |
| Tire | Specialized Tracer | Specialized Tracer TLR All Terrain Gravel |
| Brake | SRAM Apex, SRAM Apex AXS | Shimano GRX RX820 |
| Handlebar | Specialized Hover | Specialized Hover |
| Stem | Specialized Future | Specialized Future |
| Grips | Supacaz Suave | not listed |
| Seatpost | Specialized Alloy | Roval Terra |
| Saddle | Specialized Power Sport | Specialized Power Expert |
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