Seatpost fixation screw / bolts
Carbon prep in seat tube; min ~90 mm insertion.
5.5–6 Nm
48.7–53.1 in·lb
Hex
Ostro VAM2025
Factor · Road · 7 sizes
$8,219
Kit weight not published
https://factorbikes.com/bikes/ostro-vam
Frameset by size
Kit weight and list price per size. Gaps stay blank.
Retailer prices · size 54
Best in-stock in CAD. Affiliate links may earn a commission.
| Retailer | Price | Stock | Link |
|---|---|---|---|
| Survey list (CAD) | US$5,999.00≈ $8,219 CAD | In stock | Buy |
Road
Geometry by size
Tap + Compare under each size to queue several of this bike.
45 | 49 | 52 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|---|
| Stack | 502 mm | 503 mm | 523 mm | 542 mm | 565 mm | 587 mm | 611 mm |
| Reach | 360 mm | 370 mm | 376 mm | 384 mm | 392 mm | 401 mm | 409 mm |
| Stack / Reach | 1.39 | 1.36 | 1.39 | 1.41 | 1.44 | 1.46 | 1.49 |
| Head tube angle | 71.1° | 71.1° | 72.5° | 72.5° | 73.3° | 73.3° | 73.3° |
| Seat tube angle (effective) | 75.5° | 74.5° | 74° | 74° | 73.5° | 73.5° | 73.5° |
| Seat tube angle (actual) | — | — | — | — | — | — | — |
| Top tube (effective) | — | — | — | — | — | — | — |
| Head tube length | — | — | — | — | — | — | — |
| Seat tube length | 432 mm | 454 mm | 483 mm | 502 mm | 524 mm | 531 mm | 554 mm |
| Bottom bracket drop | 72 mm | 72 mm | 72 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Bottom bracket height | — | — | — | — | — | — | — |
| Chainstay | 405 mm | 405 mm | 405 mm | 405 mm | 405 mm | 408 mm | 410 mm |
| Front center | — | — | — | — | — | — | — |
| Wheelbase | 970 mm | 969 mm | 971 mm | 985 mm | 987 mm | 1006 mm | 1022 mm |
| Fork rake (offset) | 57 mm | 53 mm | 48 mm | 48 mm | 43 mm | 43 mm | 43 mm |
| Fork axle to crown | — | — | — | — | — | — | — |
| Trail | 58 mm | 58 mm | 58 mm | 58 mm | 58.6 mm | 58.6 mm | 58.6 mm |
| Standover | 726 mm | 737 mm | 762 mm | 781 mm | 804 mm | 817 mm | 840 mm |
| Pad / effective stack | — | — | — | — | — | — | — |
| Pad / effective reach | — | — | — | — | — | — | — |
Frame torque
Factor · Ostro
https://downloads.ctfassets.net/uyc32o2uod42/5pYmViLym6NU29BrViNMa9/464532971d4717e00c250869a41ecfba/Factor_Ostro_VAM_Disc_Assembly_Manual_v2.8.pdfcaptured 2026-07-24. Printed part specs always win.