Cannondale CAAD Optimo Flat Bar geometry
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Size 56
Render
Align
Geometry
| Size | 48 | 51 | 54 | 56 | 58 | 60 | 63 |
|---|---|---|---|---|---|---|---|
| Stack mm | 518 | 533 | 551 | 566 | 583 | 603 | 626 |
| Reach mm | 369 | 378 | 387 | 393 | 399 | 405 | 411 |
| Head tube angle ° | 71.5 | 72.3 | 72.9 | 73.1 | 73.2 | 73.3 | 73.4 |
| Seat tube angle ° | 74.7 | 74.3 | 73.8 | 73.5 | 73.2 | 72.9 | 72.6 |
| Head tube length mm | 107 | 120 | 139 | 155 | 175 | 195 | 219 |
| Seat tube mm | 487 | 530 | 559 | 576 | 594 | 615 | 635 |
| Chainstay mm | 405 | 405 | 405 | 405 | 405 | 407 | 409 |
| BB drop mm | 74 | 74 | 72 | 72 | 69 | 69 | 69 |
| Fork rake mm | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
| Stack to reach | 1.40 | 1.41 | 1.42 | 1.44 | 1.46 | 1.49 | 1.52 |
| Effective top tube mmi | 511 | 528 | 547 | 561 | 575 | 591 | 607 |
| Wheelbase mmi | 963 | 970 | 980 | 989 | 1000 | 1013 | 1027 |
Size56key specs
Stack-to-reach (size 56)1.44More aggressive (lower and longer) than 70% of flat-bar frames in the database at comparable sizes.
Closest geometry matches (size 56)
Matched by stack, reach and head tube angle.
JAVA Wahoo Cityalloy, flat bar, 2025–26L · 565.4 / 393.8Focus PlanetLite / Pro, 201642 · 560 / 395Canyon Roadlite ALpre-2020, 4 sizes, undatedS · 570 / 398Focus Arriba DiscTiagra / Apex, 201657 · 564.5 / 400Cannondale CAAD8 Flat Bar201656 · 573 / 390Surly Preamble Flat BarM–XL, 2026Medium · 567 / 391
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