2024 Specialized Diverge STR Pro vs 2026 Fairlight Faran Shimano RX825
The 54T is the Fairlight Faran Shimano RX825 size closest to your 54 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 Fairlight Faran Shimano RX825
Compared with the Specialized Diverge STR Pro in 54, the Fairlight Faran Shimano RX825 in 54T places the top of the head tube 3 mm lower and 5 mm further back, relative to the bottom bracket.
- Frame stack
- −3 mm
- Lower front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- +0.8°
- Steeper: sharper steering
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Specialized Diverge STR Pro, 54Fairlight Faran Shimano RX825, 54TDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge STR Pro 54 | Fairlight Faran Shimano RX825 54T | Difference |
|---|---|---|---|
| Reach | 383mm | 378 | −5 mm |
| Stack | 593mm | 590 | −3 mm |
| Head tube angle | 71.25° | 72 | +0.8° |
| Seat tube angle | 74° | 74 | ±0.0° |
| Chainstay length | 429mm | 432 | +3 mm |
| Wheelbase | 1034mm | 1033 | −1 mm |
| BB drop | 85mm | not listed | |
| BB height | 265mm | not listed | |
| Standover | 753mm | not listed | |
| Seat tube length | 470mm | not listed | |
| Fork length | 390mm | not listed | |
| Head tube length | 115mm | not listed |
Differences are the Fairlight Faran Shimano RX825 minus the Specialized Diverge STR Pro. Full charts: 2024 Specialized Diverge STR Pro, 2026 Fairlight Faran Shimano RX825.
Where each sits in its class
Specialized Diverge STR ProFairlight Faran Shimano RX825
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 | Fairlight Faran Shimano RX825Shimano GRX Di2 RX825 2x |
|---|---|---|
| Frame | Specialized Diverge FACT | Fairlight Faran 3.0 |
| Fork | Specialized Future Shock 3.3 | Fairlight Faran 3.0 Steel |
| Shifter | SRAM Force eTap AXS | Shimano GRX RX825 Di2 |
| Derailleur | SRAM X01 Eagle AXS | Shimano GRX RX825 Di2 |
| Cassette | SRAM GX Eagle | Shimano HG710/M7000 |
| Chain | SRAM X01 Eagle | not listed |
| Crankset | SRAM Force | Shimano FC-RX820-2 |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | Roval Terra CL | Hope RX24/Fortus 26 Pro5 |
| Tire | Specialized Tracer Pro 2BR | Panaracer Gravel King X1 |
| Brake | SRAM Force | Shimano GRX Di2 |
| Handlebar | Roval Terra | FSA Adventure |
| Stem | Specialized Future | Gossamer Energy |
| Saddle | Specialized Power | not listed |
| Chainring | not listed | Shimano GRX RX820 |
| Rotor | not listed | Shimano RT-801 |
| Headset | not listed | Hope Standard |
| Seatpost | not listed | SL-K |
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