Factor · Road · 2026
Ostro VAM
Factor's all-around race frame. Used by Israel-Premier Tech. Aggressive aero race geometry.
$7,500 USD
View on Factor.comAero race frame, sub-780g, BBright bottom bracket
Geometry explorer
default size 54 (recommended for ~175 cm)Click any measurement on the right to highlight it on the bike. Numbers from the Factor Ostro VAM geometry chart.
Size 54 · Factor Ostro VAM
Frame Reach390 mm
Geometry · size 5419 measurements
Frame Reach | 390 mm |
Frame Stack | 555 mm |
Head Tube Length | 140 mm |
Top Tube (effective) | 555 mm |
Seat Tube Length | 540 mm |
Seat Tube Angle from horizontal | 73.0° |
Head Tube Angle from horizontal | 73.0° |
Chainstay Length | 408 mm |
Wheelbase | 988 mm |
Fork Rake / Offset | 50 mm |
BB Drop BB below axles | 72 mm |
Standover Height | — |
Stack to Stem | — |
Reach to Stem | — |
Stem Length | — |
Saddle Width | — |
Seatpost Length | — |
Crank Length | — |
Handlebar Width | — |
Click a row to highlight the measurement on the bike. Sourced from the official Factor Ostro VAM geometry chart.
All sizes — 5 total
| Size | Reach (mm) | Stack (mm) | S/R ratio |
|---|---|---|---|
| 48 | 372 | 525 | 1.41 |
| 51 | 381 | 540 | 1.42 |
| 54 | 390 | 555 | 1.42 |
| 56 | 399 | 570 | 1.43 |
| 58 | 408 | 585 | 1.43 |