2024 Specialized Diverge STR Pro vs 2026 Specialized Diverge 4 Pro
The 58 is the Specialized Diverge 4 Pro size closest to your 58 Specialized Diverge STR Pro. 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 4 Pro
Compared with the Specialized Diverge STR Pro in 58, the Specialized Diverge 4 Pro in 58 places the top of the head tube at about the same height and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +21 mm
- Longer: steadier at speed
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- +1 mm
- About the same
The two frames
Specialized Diverge STR Pro, 58Specialized Diverge 4 Pro, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge STR Pro 58 | Specialized Diverge 4 Pro 58 | Difference |
|---|---|---|---|
| Reach | 401mm | 412mm | +11 mm |
| Stack | 633mm | 634mm | +1 mm |
| Head tube angle | 71.75° | 71° | −0.8° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 429mm | 430mm | +1 mm |
| Wheelbase | 1060mm | 1081mm | +21 mm |
| BB drop | 85mm | 85mm | ±0 mm |
| BB height | 265mm | not listed | |
| Standover | 804mm | 805mm | +1 mm |
| Seat tube length | 530mm | 530mm | ±0 mm |
| Fork length | 390mm | 391mm | +1 mm |
| Head tube length | 155mm | 161mm | +6 mm |
| Effective top tube | not listed | 593mm |
Differences are the Specialized Diverge 4 Pro minus the Specialized Diverge STR Pro. Full charts: 2024 Specialized Diverge STR Pro, 2026 Specialized Diverge 4 Pro.
Where each sits in its class
Specialized Diverge STR ProSpecialized 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 ProSTR Pro | Specialized Diverge 4 ProPro |
|---|---|---|
| Frame | Specialized Diverge FACT | Specialized Diverge FACT |
| Fork | Specialized Future Shock 3.3 | Specialized Future Shock 3.3 |
| Shifter | SRAM Force eTap AXS | SRAM Force AXS E1 |
| Derailleur | SRAM X01 Eagle AXS | SRAM Force AXS E1 XPLR |
| Cassette | SRAM GX Eagle | SRAM Force E1 XPLR |
| Chain | SRAM X01 Eagle | SRAM Force XPLR |
| Crankset | SRAM Force | SRAM Force E1 XPLR |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Wheelset | Roval Terra CL | Roval Terra CL |
| Tire | Specialized Tracer Pro 2BR | Specialized Tracer TLR All Terrain Gravel |
| Brake | SRAM Force | SRAM Force E1 |
| Handlebar | Roval Terra | Roval Terra |
| Stem | Specialized Future | not listed |
| Saddle | Specialized Power | Specialized Power Pro Mirror |
| Seatpost | not listed | Roval Terra |
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