2024 BMC Roadmachine 01 THREE vs 2026 Specialized Aethos 2
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Aethos 2
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The BMC Roadmachine 01 THREE numbers we have for size 56 are missing the reach, stack, head angle, seat angle, chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | BMC Roadmachine 01 THREE 56 | Specialized Aethos 2 54 | Difference |
|---|---|---|---|
| Reach | not listed | 384 | |
| Stack | not listed | 559 | |
| Head tube angle | not listed | 72.5 | |
| Seat tube angle | not listed | 74 | |
| Effective top tube | 559 | 544 | −15 mm |
| Chainstay length | not listed | 410 | |
| Wheelbase | not listed | 992 | |
| BB drop | not listed | 75 | |
| Standover | 807 | not listed | |
| Seat tube length | not listed | not listed | |
| Fork length | 379 | not listed | |
| Head tube length | 181 | 150 | −31 mm |
Differences are the Specialized Aethos 2 minus the BMC Roadmachine 01 THREE. Full charts: 2024 BMC Roadmachine 01 THREE, 2026 Specialized Aethos 2.
Where each sits in its class
BMC Roadmachine 01 THREESpecialized Aethos 2
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 | BMC Roadmachine 01 THREETHREE | Specialized Aethos 2S-Works |
|---|---|---|
| Frame | BMC Roadmachine 01 | Specialized Aethos 2 |
| Shifter | SRAM eTap Force | SRAM RED |
| Derailleur | SRAM eTap Force AXS | SRAM Red AXS E1 |
| Cassette | SRAM Force | Shimano Dura-Ace R9200 |
| Chain | SRAM Apex | SRAM RED E1 |
| Crankset | SRAM Force | SRAM Powermeter Red AXS |
| Chainring | SRAM Force, SRAM Force AXS 40t | Shimano Dura-Ace R9200 |
| Bottom bracket | BMC PF86 | SRAM DUB |
| Wheelset | BMC CRD-321 SL Carbon | Roval Alpinist CLX III |
| Tire | Vittoria Corsa N.EXT | Specialized Turbo TLR Race |
| Hub | CRD-321 SL | Roval LF21-F |
| Rim | CRD-321 SL | not listed |
| Brake | SRAM eTap Force AXS | Shimano Dura-Ace R9200 |
| Rotor | SRAM CenterLine X | Shimano Dura-Ace R9200 |
| Handlebar | Easton EC70 SL Carbon | Roval Alpinist Cockpit II |
| Stem | BMC ICS2 | Roval Alpinist Cockpit II |
| Seatpost | BMC Roadmachine 01 D-Shaped | Roval Alpinist |
| Saddle | fizik Argo Tempo R5 | Specialized Power |
| Bag | BMC Storage Pouch | not listed |
| Bar tape | not listed | Supacaz Super Sticky Kush |
| Headset | not listed | CeramicSpeed SLT |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



