Bianchi Orso geometry
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Size 55
Render
Align
Geometry
| Size | 46 | 49 | 51 | 53 | 55 | 57 | 59 | 61 |
|---|---|---|---|---|---|---|---|---|
| Stack mm | 542 | 551 | 556 | 567 | 581 | 595 | 609 | 626 |
| Reach mm | 365 | 367 | 371 | 372 | 378 | 384 | 389 | 393 |
| Head tube angle ° | 70.5 | 70.5 | 70.5 | 71.0 | 72.0 | 72.0 | 72.0 | 72.5 |
| Seat tube angle ° | 75.0 | 74.5 | 74.5 | 74.0 | 73.5 | 73.5 | 73.0 | 72.5 |
| Head tube length mm | 100 | 110 | 115 | 125 | 135 | 150 | 165 | 180 |
| Chainstay mm | 430 | 430 | 435 | 435 | 440 | 440 | 440 | 440 |
| BB drop mm | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
| Stack to reach | 1.48 | 1.50 | 1.50 | 1.52 | 1.54 | 1.55 | 1.57 | 1.59 |
| Effective top tube mmi | 510 | 520 | 525 | 535 | 550 | 560 | 575 | 590 |
Size55key specs
Stack-to-reach (size 55)1.54More relaxed (taller and shorter) than 91% of road frames in the database at comparable sizes.
Closest geometry matches (size 55)
Matched by stack, reach and head tube angle.
More from Bianchi
Nearest size to the Orso 55.