2024 Ridley Grifn RS GRX800 vs 2026 Specialized Diverge Comp Alloy
The 58 is the Specialized Diverge Comp Alloy size closest to your XL Ridley Grifn RS GRX800. 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 Comp Alloy
Compared with the Ridley Grifn RS GRX800 in XL, the Specialized Diverge Comp Alloy in 58 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 23 mm longer, which can contribute to stability at speed.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +23 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Ridley Grifn RS GRX800, XLSpecialized Diverge Comp Alloy, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Ridley Grifn RS GRX800 XL | Specialized Diverge Comp Alloy 58 | Difference |
|---|---|---|---|
| Reach | 412 | 412 | ±0 mm |
| Stack | 633 | 634 | +1 mm |
| Head tube angle | 72 | 71 | −1.0° |
| Seat tube angle | 73 | 74 | +1.0° |
| Effective top tube | 605 | not listed | |
| Chainstay length | 420 | 430 | +10 mm |
| Wheelbase | 1058 | 1081 | +23 mm |
| BB drop | not listed | 85 | |
| Standover | 862 | 805 | −57 mm |
| Seat tube length | 570 | 530 | −40 mm |
| Head tube length | not listed | 161 |
Differences are the Specialized Diverge Comp Alloy minus the Ridley Grifn RS GRX800. Full charts: 2024 Ridley Grifn RS GRX800, 2026 Specialized Diverge Comp Alloy.
Where each sits in its class
Ridley Grifn RS GRX800Specialized Diverge Comp Alloy
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 | Ridley Grifn RS GRX800GRX800 DI2 | Specialized Diverge Comp Alloy4 Comp Alloy |
|---|---|---|
| Frame | Ridley Grifn RS | Specialized Diverge |
| Fork | 4za AllRoad RS | Specialized Future Shock 3.1 |
| Shifter | Shimano GRX Di2 | SRAM Apex |
| Derailleur | Shimano GRX Di2 | SRAM Eagle Apex |
| Cassette | Shimano Ultegra | SRAM SX Eagle |
| Crankset | Shimano GRX RX820 | SRAM Apex |
| Chainring | Shimano GRX RX820 | not listed |
| Wheelset | DT Swiss GRC1600 | DT Swiss G540 |
| Tire | Vittoria Terreno Dry | Specialized Tracer |
| Handlebar | 4za Nimbus Pro | Specialized Hover |
| Stem | Forza Cirrus Pro Integrated Flared | Specialized Future |
| Seatpost | Forza Aero | Specialized Alloy |
| Saddle | Selle Italia SLR Advan L3 | Specialized Power Sport |
| Chain | not listed | SRAM NX Eagle |
| Bottom bracket | not listed | SRAM DUB |
| Brake | not listed | SRAM Apex, SRAM Apex AXS |
| Grips | not listed | Supacaz Suave |
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