Specialized Aethos geometry
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Size 54
Render
Align
Geometry
| Size | 49 | 52 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Stack mm | 522 | 538 | 559 | 580 | 606 | 627 |
| Reach mm | 373 | 377 | 384 | 391 | 398 | 404 |
| Head tube angle ° | 71.4 | 72.1 | 72.5 | 73.0 | 73.0 | 73.5 |
| Seat tube angle ° | 75.5 | 74.5 | 74.0 | 74.0 | 74.0 | 74.0 |
| Head tube length mm | 114 | 128 | 150 | 169 | 198 | 218 |
| Seat tube mm | 450 | 470 | 490 | 510 | 535 | 570 |
| Chainstay mm | 410 | 410 | 410 | 410 | 410 | 410 |
| BB drop mm | 76.5 | 76.5 | 75 | 75 | 73.5 | 73.5 |
| Fork rake mm | 50 | 50 | 50 | 47 | 47 | 47 |
| Stack to reach | 1.40 | 1.43 | 1.46 | 1.48 | 1.52 | 1.55 |
| Effective top tube mmi | 508 | 526 | 544 | 557 | 572 | 584 |
| Wheelbase mmi | 978 | 981 | 992 | 998 | 1013 | 1020 |
Size54key specs
Stack-to-reach (size 54)1.46More relaxed (taller and shorter) than 61% of road frames in the database at comparable sizes.
Closest geometry matches (size 54)
Matched by stack, reach and head tube angle.
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Popular comparisons
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