2026 BMC Roadmachine 01 ONE vs 2027 Specialized Aethos 2 SRAM
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 SRAM
- 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
- −0.1°
- About the same head angle
- 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 ONE numbers we have for size 54 are missing the reach, stack, chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | BMC Roadmachine 01 ONE 54 | Specialized Aethos 2 SRAM 52 | Difference |
|---|---|---|---|
| Head tube angle | 72.2 | 72.1° | −0.1° |
| Seat tube angle | 74.2 | 74.5° | +0.3° |
| Wheelbase | not listed | 981mm | |
| BB drop | 76 | 76.5mm | +1 mm |
| Reach | not listed | 377mm | |
| Stack | not listed | 538mm | |
| Effective top tube | not listed | 526mm | |
| Chainstay length | not listed | 410mm | |
| BB height | not listed | 265.5mm | |
| Standover | not listed | 737mm | |
| Seat tube length | not listed | 470mm | |
| Fork length | not listed | 372mm | |
| Head tube length | not listed | 128mm |
Differences are the Specialized Aethos 2 SRAM minus the BMC Roadmachine 01 ONE. Full charts: 2026 BMC Roadmachine 01 ONE, 2027 Specialized Aethos 2 SRAM.
Where each sits in its class
BMC Roadmachine 01 ONESpecialized Aethos 2 SRAM
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 ONEONE | Specialized Aethos 2 SRAMS-Works - SRAM RED AXS |
|---|---|---|
| Frame | BMC Roadmachine 01 Premium Carbon | Specialized S-Works Aethos 2 FACT |
| Shifter | Shimano Dura-Ace Di2 | SRAM RED AXS E1 |
| Derailleur | Shimano Dura-Ace Di2 | SRAM RED AXS E1 |
| Cassette | Shimano Dura-Ace | SRAM RED XG-1290 E1 |
| Chain | Shimano XTR M9100 | SRAM Red E1 flat-top |
| Crankset | Shimano Dura-Ace Di2 | SRAM RED AXS E1 |
| Chainring | Shimano Dura-Ace Di2 | not listed |
| Bottom bracket | Shimano SM-BB92-41B | Specialized Alpha |
| Wheelset | BMC CE 40 SL | Roval Rapide CLX |
| Tire | Vittoria Corsa N.EXT | Specialized Cotton TLR |
| Hub | DT Swiss Ratchet EXP 180 DICUT | not listed |
| Rim | DT Swiss ERC 1100 DICUT | not listed |
| Brake | SRAM Red AXS | SRAM Red E1 |
| Rotor | SRAM Paceline X | not listed |
| Handlebar | BMC ICS Carbon Evo | Roval Alpinist Cockpit II |
| Stem | BMC ICS Carbon Evo | not listed |
| Seatpost | BMC Roadmachine 01 Premium Carbon D-shaped | Roval Alpinist |
| Saddle | Selle Italia Novus Boost Evo Superflow | Specialized S-Works Power |
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