2026 Specialized Aethos 2 Expert vs 2026 Colnago C72 Super Record Bora Ultra WTO
The 510 is the Colnago C72 Super Record Bora Ultra WTO size closest to your 54 Specialized Aethos 2 Expert. 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 Colnago C72 Super Record Bora Ultra WTO
Compared with the Specialized Aethos 2 Expert in 54, the Colnago C72 Super Record Bora Ultra WTO in 510 places the top of the head tube 3 mm higher and 3 mm further forward, relative to the bottom bracket.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Aethos 2 Expert is drawn. The Colnago C72 Super Record Bora Ultra WTO numbers we have for size 510 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Aethos 2 Expert 54 | Colnago C72 Super Record Bora Ultra WTO 510 | Difference |
|---|---|---|---|
| Reach | 384 | 387 | +3 mm |
| Stack | 559 | 562 | +3 mm |
| Head tube angle | 72.5 | 72.9 | +0.4° |
| Seat tube angle | 74 | 74.5 | +0.5° |
| Effective top tube | 544 | 543 | −1 mm |
| Chainstay length | 410 | 410 | ±0 mm |
| Wheelbase | 992 | not listed | |
| BB drop | 75 | 72 | −3 mm |
| Standover | 759 | not listed | |
| Seat tube length | 490 | not listed | |
| Head tube length | 150 | 148 | −2 mm |
Differences are the Colnago C72 Super Record Bora Ultra WTO minus the Specialized Aethos 2 Expert. Full charts: 2026 Specialized Aethos 2 Expert, 2026 Colnago C72 Super Record Bora Ultra WTO.
Where each sits in its class
Specialized Aethos 2 ExpertColnago C72 Super Record Bora Ultra WTO
Each bike is ranked against the other road 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 Aethos 2 ExpertExpert | Colnago C72 Super Record Bora Ultra WTOSuper Record 13 Bora Ultra WTO |
|---|---|---|
| Frame | Specialized FACT Aethos 2 10r | Colnago C72 |
| Fork | Specialized FACT Aethos 2 10r Carbon | Colnago C72 fork |
| Shifter | Shimano Ultegra R8170 Di2 | Campagnolo Ergopower DB Super Record |
| Derailleur | Shimano Ultegra R8150 Di2 front | Campagnolo RD02-SR13WRL Super Record WRL |
| Cassette | Shimano Ultegra | Campagnolo Super Record |
| Chain | Shimano XT M8100 | Campagnolo Super Record |
| Crankset | Shimano Ultegra R8100 | Campagnolo Super Record |
| Chainring | Shimano Ultegra R8100, SRAM 35 | Campagnolo Super Record |
| Bottom bracket | SRAM DUB GX | Campagnolo Ultra-Torque |
| Wheelset | Roval C38 | Campagnolo Bora Ultra WTO 45 |
| Tire | Specialized S-Works Turbo | Pirelli P Zero Race |
| Brake | Shimano Ultegra R8170 Di2 | Campagnolo Super Record WRL |
| Rotor | Shimano Ultegra | Campagnolo rotor, Campagnolo Super Record |
| Handlebar | Roval Alpinist | Colnago CC.02 |
| Stem | Specialized Pro SL | Colnago CC.02 |
| Grips | Supacaz Super Sticky Kush | not listed |
| Seatpost | Roval Alpinist | Colnago integrated |
| Saddle | Specialized Body Geometry Power Expert | Prologo Nago R4 Pass Nack |
| Bar tape | not listed | Colnago Grip Black |
| Headset | not listed | CeramicSpeed SLT |
| Bottle cage | not listed | Colnago Matt Black |
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