2024 Specialized Diverge STR 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 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, 54Specialized Diverge 4 Pro, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge STR 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. Full charts: 2024 Specialized Diverge STR, 2026 Specialized Diverge 4 Pro.
Where each sits in its class
Specialized Diverge STRSpecialized 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 STRS-Works STR | Specialized Diverge 4 ProPro |
|---|---|---|
| Frame | Specialized Diverge FACT 11r | Specialized Diverge FACT |
| Fork | Specialized Future Shock 3.3 | Specialized Future Shock 3.3 |
| Shifter | SRAM eTap Red | SRAM Force AXS E1 |
| Derailleur | SRAM XG-1295 Eagle | SRAM Force AXS E1 XPLR |
| Cassette | SRAM XX1 Eagle | SRAM Force E1 XPLR |
| Chain | SRAM XX1 Eagle | SRAM Force XPLR |
| Crankset | SRAM 1 Red AXS | SRAM Force E1 XPLR |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Wheelset | Roval Terra CLX II | Roval Terra CL |
| Tire | Specialized Tracer Pro | Specialized Tracer TLR All Terrain Gravel |
| Brake | SRAM eTap Red AXS | SRAM Force E1 |
| Rotor | CenterLine XR, Centerline | not listed |
| Handlebar | Roval Terra | Roval Terra |
| Stem | Specialized Future | not listed |
| Bar tape | Supacaz Super Sticky Kush | not listed |
| Seatpost | Specialized Carbon | Roval Terra |
| Saddle | Specialized Power | Specialized Power Pro Mirror |
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