2025 Specialized Diverge Comp Carbon vs 2026 Fairlight Faran Shimano RX825
The 51T is the Fairlight Faran Shimano RX825 size closest to your 52 Specialized Diverge Comp Carbon. 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 Comp Carbon in 52, the Fairlight Faran Shimano RX825 in 51T places the top of the head tube 7 mm lower and 4 mm further back, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −7 mm
- Lower front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- −3 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +7 mm
- Longer: more planted
The two frames
Specialized Diverge Comp Carbon, 52Fairlight Faran Shimano RX825, 51TDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge Comp Carbon 52 | Fairlight Faran Shimano RX825 51T | Difference |
|---|---|---|---|
| Reach | 374 | 370 | −4 mm |
| Stack | 577 | 570 | −7 mm |
| Head tube angle | 70.5 | 71.5 | +1.0° |
| Seat tube angle | 73.75 | 74 | +0.3° |
| Effective top tube | 542 | not listed | |
| Chainstay length | 425 | 432 | +7 mm |
| Wheelbase | 1026 | 1023 | −3 mm |
| BB drop | 80mm | not listed | |
| BB height | 270mm | not listed | |
| Standover | 725 | not listed | |
| Seat tube length | 430 | not listed | |
| Fork length | 389mm | not listed | |
| Head tube length | 104 | not listed |
Differences are the Fairlight Faran Shimano RX825 minus the Specialized Diverge Comp Carbon. Full charts: 2025 Specialized Diverge Comp Carbon, 2026 Fairlight Faran Shimano RX825.
Where each sits in its class
Specialized Diverge Comp CarbonFairlight 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 Comp CarbonComp Carbon | Fairlight Faran Shimano RX825Shimano GRX Di2 RX825 2x |
|---|---|---|
| Frame | Specialized FACT 9R | Fairlight Faran 3.0 |
| Fork | Specialized Future Shock 2.0 | Fairlight Faran 3.0 Steel |
| Shifter | SRAM Apex eTAP AXS | Shimano GRX RX825 Di2 |
| Derailleur | SRAM X1 Eagle AXS | Shimano GRX RX825 Di2 |
| Cassette | SRAM SX Eagle | Shimano HG710/M7000 |
| Chain | SRAM NX Eagle | not listed |
| Crankset | SRAM Apex DUB | Shimano FC-RX820-2 |
| Chainring | SRAM Apex Wide | Shimano GRX RX820 |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | DT Swiss G540 | Hope RX24/Fortus 26 Pro5 |
| Tire | Pathfinder Pro | Panaracer Gravel King X1 |
| Rim | DT Swiss G 540 | not listed |
| Brake | SRAM Apex eTAP AXS, SRAM Apex | Shimano GRX Di2 |
| Handlebar | Specialized Hover | FSA Adventure |
| Stem | Specialized Future | Gossamer Energy |
| Bar tape | Supacaz Super Sticky Kush | not listed |
| Seatpost | Roval Terra | SL-K |
| Saddle | Specialized Power Sport | not listed |
| Rotor | not listed | Shimano RT-801 |
| Headset | not listed | Hope Standard |
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