Cervélo S5
Road Race · Aero · size 54
Balanced
Front end and reach about the same.
$10,100 to $14,500
ROAD RACE · AERO
Factor Ostro VAM
A race bike built mainly for aerodynamic speed. Riding position: Balanced in every size.
- Type
- Road Race · Aero
- Price, complete bikes
- $10,399 to $12,599
- Sizes
- 45 to 61 (7)
- Position, size 54
- Balanced
How the maker describes it
In Factor’s words: “the lightest aero-oriented bike in the pro peloton.”
GnR lists it as Road Race · Aero: a race bike built mainly for aerodynamic speed.
Source: Factor, read October 19, 2026.
Published frame dimensions
Frame measurements for each size, in millimeters; head angles in degrees. Stack and reach describe the frame only. Stem, spacers and handlebars change where your hands end up.
| Size | Stack | Reach | Wheelbase | Head angle | Standover | Position |
|---|---|---|---|---|---|---|
| 45 | 502 | 360 | 970 | 71.1° | 726 | Balanced |
| 49 | 503 | 370 | 969 | 71.1° | 737 | Balanced |
| 52 | 523 | 376 | 971 | 72.5° | 762 | Balanced |
| 54 | 542 | 384 | 985 | 72.5° | 781 | Balanced |
| 56 | 565 | 392 | 987 | 73.3° | 804 | Balanced |
| 58 | 587 | 401 | 1006 | 73.3° | 817 | Balanced |
| 61 | 611 | 409 | 1022 | 73.3° | 840 | Balanced |
Aggressive more stretched out for its height · Balanced in between · Relaxed more upright for its height
From Factor’s geometry chart, checked October 19, 2026. Visit Factor ↗
Where this frame sits
Each colored dot is one Ostro VAM size; gray dots are other current road frames. Dots right of the green band are more stretched out for their height; dots left of it are more upright. All 7 Ostro VAM sizes sit inside the band.
Price and builds
$10,399 to $12,599. Ostro VAM Shimano Ultegra, SRAM Force, Shimano Dura-Ace and SRAM Red builds.
Price rises with the parts: drivetrain, wheels and cockpit. Compare builds on Factor’s site before buying.
Factor US list prices, October 20, 2026. Prices and stock change often.
Comparable frames from other brands
The closest match to a size 54 Ostro VAM from other brands, among current road frames. Same-type frames are listed first.
Pinarello Dogma F
Road Race · All-round · size 530
Balanced
Front end and reach about the same.
$15,750 to $16,500
Specialized Tarmac SL9
Road Race · All-round · size 54
Balanced
Front end and reach about the same.
$4,199 to $13,999
Maker US list prices for complete bikes on the date checked.
Frame details
- Tire clearance
- 32 mm
Factor lists MAX TIRE CLEARANCE 32mm measured. - Mounts
- -
- Geometry chart
- Factor page chart; model year not stated
Exact seven-size chart from the owner’s print of the Factor Ostro VAM page (printed October 19, 2026, page 4). Factor does not define where stack, reach or standover are measured. No model year is stated on the page.
Find alternatives to this frame
Use this exact chart as your reference, select your size, then explore similar dimensions or a deliberate position change. Confirm the frame generation matches your bike before using it.
Match this bike ↗Does similar geometry mean the same fit?
Similar frame dimensions are a starting point. Saddle height and setback, seat-tube geometry, stem length and angle, headset spacers, handlebars and control position affect the completed bike. Review those details before buying.