BMC Roadmachine
Road Endurance · All-road · size 51
Balanced
Front end and reach about the same.
$2,899 to $10,699
ROAD RACE · LIGHTWEIGHT
Factor O2 VAM
A race bike built mainly for low weight and climbing. Riding position: Balanced in the smallest size to Aggressive in the largest.
- Price, complete bikes
- $11,299 to $13,499
- Sizes
- 45 to 61 (7)
- Position, size 54
- Balanced
How the maker describes it
In Factor’s words: “the world’s fastest climbing bike with unrivalled lightness and aero.”
GnR lists it as Road Race · Lightweight: a race bike built mainly for low weight and climbing.
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° | 713 | Balanced |
| 49 | 514 | 367 | 969 | 71.7° | 728 | Balanced |
| 52 | 535 | 373 | 971 | 72.5° | 759 | Balanced |
| 54 | 552 | 381 | 985 | 72.5° | 784 | Balanced |
| 56 | 574 | 389 | 987 | 73.3° | 809 | Balanced |
| 58 | 597 | 401 | 1006 | 73.3° | 830 | Balanced |
| 61 | 611 | 410 | 1022 | 73.3° | 848 | Aggressive |
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 O2 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. 6 of 7 O2 VAM sizes sit inside the band; 1 is more stretched out.
Price and builds
$11,299 to $13,499. O2 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 O2 VAM from other brands, among current road frames. Same-type frames are listed first.
Scott Addict
Road Endurance · All-road · size S/52
Balanced
Front end and reach about the same.
$8,999
Cervélo Caledonia
Road Endurance · All-road · size 54
Relaxed
Front end and reach about the same.
$3,300 to $6,500
Maker US list prices for complete bikes on the date checked.
Frame details
- Tire clearance
- 32 mm
Factor lists MAX TIRE CLEARANCE 32mm measured and "generous tire clearance of 32mm". - Mounts
- -
- Geometry chart
- Factor page chart; model year not stated
Exact seven-size chart from the owner’s resaved print of the Factor O2 VAM page (printed October 19, 2026, page 3). Stack, reach, head angle and wheelbase equal the Monza chart in every size; standover differs. Factor does not define where stack, reach or standover are measured. Wheelbase falls from 970 to 969 between sizes 45 and 49 as printed. 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.