2024 Specialized Diverge STR Comp vs 2026 Specialized Diverge 4 Pro
The Specialized Diverge 4 Pro size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Diverge 4 Pro
Compared with the Specialized Diverge STR Comp in 54, the Specialized Diverge 4 Pro in 56 places the top of the head tube 17 mm higher and 17 mm further forward, relative to the bottom bracket. Its wheelbase is 26 mm longer, which can contribute to stability at speed.
- Frame stack
- +17 mm
- Higher front end
- Frame reach
- +17 mm
- Longer frame reach
- Wheelbase
- +26 mm
- Longer: steadier at speed
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- +1 mm
- About the same
The two frames
Specialized Diverge STR Comp, 54Specialized Diverge 4 Pro, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge STR Comp 54 | Specialized Diverge 4 Pro 56 | Difference |
|---|---|---|---|
| Reach | 383mm | 400mm | +17 mm |
| Stack | 593mm | 610mm | +17 mm |
| Head tube angle | 71.25° | 71° | −0.3° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 429mm | 430mm | +1 mm |
| Wheelbase | 1034mm | 1060mm | +26 mm |
| BB drop | 85mm | 85mm | ±0 mm |
| BB height | 265mm | not listed | |
| Standover | 753mm | 779mm | +26 mm |
| Seat tube length | 470mm | 500mm | +30 mm |
| Fork length | 390mm | 391mm | +1 mm |
| Head tube length | 115mm | 135mm | +20 mm |
| Effective top tube | not listed | 575mm |
Differences are the Specialized Diverge 4 Pro minus the Specialized Diverge STR Comp. Full charts: 2024 Specialized Diverge STR Comp, 2026 Specialized Diverge 4 Pro.
Where each sits in its class
Specialized Diverge STR CompSpecialized Diverge 4 Pro
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 STR CompSTR Comp | Specialized Diverge 4 ProPro |
|---|---|---|
| Frame | Specialized Diverge FACT | Specialized Diverge FACT |
| Fork | Specialized Future Shock 3.2 | Specialized Future Shock 3.3 |
| Shifter | Shimano GRX RX820 | SRAM Force AXS E1 |
| Derailleur | Shimano GRX RX822-SGS | SRAM Force AXS E1 XPLR |
| Cassette | Shimano XT | SRAM Force E1 XPLR |
| Chain | Shimano XT M8100 | SRAM Force XPLR |
| Crankset | Shimano GRX RX820 | SRAM Force E1 XPLR |
| Wheelset | DT Swiss G540 | Roval Terra CL |
| Tire | Specialized Tracer Pro 2BR | Specialized Tracer TLR All Terrain Gravel |
| Brake | Shimano GRX RX820 | SRAM Force E1 |
| Handlebar | Specialized Hover | Roval Terra |
| Stem | Specialized Future | not listed |
| Saddle | Specialized Power Sport | Specialized Power Pro Mirror |
| Bottom bracket | not listed | SRAM DUB |
| Seatpost | not listed | Roval Terra |
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