2026 Specialized Diverge Sport Alloy vs 2026 Fairlight Faran Shimano RX825
The Fairlight Faran Shimano RX825 size closest to your 54 is the 54T. Compare the 54T instead
What changes on the Fairlight Faran Shimano RX825
Compared with the Specialized Diverge Sport Alloy in 54, the Fairlight Faran Shimano RX825 in 51T places the top of the head tube 22 mm lower and 17 mm further back, relative to the bottom bracket. Its wheelbase is 18 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −22 mm
- Lower front end
- Frame reach
- −17 mm
- Shorter frame reach
- Wheelbase
- −18 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
Specialized Diverge Sport Alloy, 54Fairlight Faran Shimano RX825, 51TDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge Sport Alloy 54 | Fairlight Faran Shimano RX825 51T | Difference |
|---|---|---|---|
| Reach | 387 | 370 | −17 mm |
| Stack | 592 | 570 | −22 mm |
| Head tube angle | 71 | 71.5 | +0.5° |
| Seat tube angle | 74 | 74 | ±0.0° |
| Effective top tube | 556 | not listed | |
| Chainstay length | 430 | 432 | +2 mm |
| Wheelbase | 1041 | 1023 | −18 mm |
| BB drop | 85 | not listed |
Differences are the Fairlight Faran Shimano RX825 minus the Specialized Diverge Sport Alloy. Full charts: 2026 Specialized Diverge Sport Alloy, 2026 Fairlight Faran Shimano RX825.
Where each sits in its class
Specialized Diverge Sport AlloyFairlight 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 Sport Alloy4 Sport Alloy | Fairlight Faran Shimano RX825Shimano GRX Di2 RX825 2x |
|---|---|---|
| Frame | Specialized Diverge E5 Premium | Fairlight Faran 3.0 |
| Fork | Specialized Future Shock 3.1 | Fairlight Faran 3.0 Steel |
| Shifter | Shimano CUES U6030 | Shimano GRX RX825 Di2 |
| Derailleur | Shimano CUES U6000 | Shimano GRX RX825 Di2 |
| Cassette | Shimano CS-LG400-11 | Shimano HG710/M7000 |
| Chain | Shimano CN-LG500 | not listed |
| Crankset | Shimano CUES U6040 | Shimano FC-RX820-2 |
| Chainring | Shimano CUES U6030 | Shimano GRX RX820 |
| Bottom bracket | Shimano CUES | not listed |
| Wheelset | Specialized Axis Elite Disc | Hope RX24/Fortus 26 Pro5 |
| Tire | Specialized Tracer | Panaracer Gravel King X1 |
| Brake | Shimano CUES | Shimano GRX Di2 |
| Handlebar | Specialized Adventure Gear Hover | FSA Adventure |
| Stem | Specialized Future Pro | Gossamer Energy |
| Grips | Supacaz Suave | not listed |
| Seatpost | Specialized Alloy | SL-K |
| Saddle | Specialized Body Geometry Power Sport | not listed |
| Rotor | not listed | Shimano RT-801 |
| Headset | not listed | Hope Standard |
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