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Today’s DealsOSTRO VAM - SRAM Force
A carbon frame aero bike with high-end components and hydraulic disc brakes.
Manufacturer Price
$8,599| Weight | 1.8 lbs (frame) |
|---|---|
| Frame | Carbon |
| Fork | Carbon |
| Wheels | 700c Carbon |
| Drivetrain | 2 × 12 |
| Groupset | Force |
| Brakes | Hydraulic Disc |
5'1" – 5'5"
5'3" – 5'7"
5'5" – 5'9"
5'7" – 6'0"
5'10" – 6'2"
6'0" – 6'4"
🐐 Estimated
Summary
The Factor Ostro is an aero-focused gravel race bike designed for speed and performance on smooth terrain. It excels in stiffness, aerodynamics, and handling, making it a top choice for racing and fast rides. However, it sacrifices comfort and versatility, with a firm ride that can be harsh on rough surfaces and limited utility for diverse conditions.
Incredible aerodynamics
High stiffness for efficient power transfer
Superior handling on smooth terrain
Lightweight construction
Premium componentry and build quality
Firm and uncomfortable ride, especially on rough terrain
Lacks versatility for off-road or all-day comfort
Quick steering can be unstable on technical descents
High price point for a specialized machine
Limited utility features like mudguard mounts
developed to dominate its category with incredible aero, superior handling, high stiffness and low weight
On smooth, well-graded gravel it is like being shot out of a cannon.
It’s a gravel bike for race day, designed with winning in mind through and through.
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Nov 2023 · Will Tracy
The limited edition Paul Smith Factor bike features striking blocked colors meant to evoke patterns of fabric in clothing.

Jun 2023 · Martin Staffa
Lightweight, comfortable, and aerodynamic: can the 2023 Factor OSTRO Gravel do it all? We put it through the wringer to find out!
Absolutely uncompromising race bike
CeramicSpeed bottom bracket
Feels fast
Lack of comfort – harshest bike on test
Creaking seat post clamp that comes loose

Feb 2023 · RBA Staff
A new generation of gravel race bikes
Felt: planted and in control, stable at high speeds
Felt: wide tire clearance (700x50mm)
Felt: multiple bottle cage mounts
Factor: excellent climbing performance
Factor: quick handling
Factor: light weight (17.78 lbs)
Factor: premium component spec
Felt: stiff Zipp 303S wheels; benefited from wheel swap
Felt: knee collision with rear brake hose during out-of-saddle climbing
Felt: seatpost-mounted water bottle difficult to access; side-load cage needed
Factor: stiff feedback from seatpost
Factor: lacked compliance for all-day efforts
Factor: internal routing complicated travel packing
Both: lacked compliance desired for long events like Unbound Gravel

Feb 2023 · Will Jones
Crazy stiff, super aero, and a road bike position make life uncomfortable on rougher terrain
Very, very fast
Proper aero gains
Striking looks
Uncomfortable
Not as versatile as many modern road bikes
No mudguard mounts

Dec 2022 · Andrew Marshall
Peep this colorful design inspired by the poetry of Duke Agyapong and the paintings of Jean-Michel Basquiat.

Dec 2022
Factor uses its road-proven aero tricks to make a seriously fast gravel bike.
Good tire clearance
Lightweight and aero frame
Blends the feel of a road bike with gravel capabilities
Threaded bottom bracket
A little harsher than other gravel racers
Electronic shifting only
Internal routing can complicate simple adjustments

Nov 2022 · Emily Tillett
The Factor x Duke OSTRO VAM frame gets a custom paint job with "layers of meaning"

Nov 2022 · Jamie Wilkins
The Ostro VAM stakes a legitimate claim to being the ultimate all-round race bike
Stiffness
Comfort
Light weight
Handling
| Frame | TeXtreme®, Toray®, Nippon Graphite® Pitch-Based Fiber BB Standard: T47, Threaded Tire Clearance: 32c Colors: Racing Green; Chrome; Chameleon; Prisma Paint (+$500.00) |
|---|---|
| Fork | OSTRO Wide Stance Fork |
| Bottom Bracket | CERAMICSPEED T47A Aluminium cups / CeramicSpeed bearings available for SRAM DUB, Shimano HOLLOWTECH II, Campagnolo ULTRA-TORQUE or PRO-TECH |
| Headset | CeramicSpeed SLT 1-1/8″ and 1-3/8″ bearings |
| Seatpost | 0 and 20mm setback available Type: Rigid |
| Rear Derailleur | SRAM Force |
|---|---|
| Crank | 170mm |
| Brakes | Disc Type: Hydraulic Disc |
| Rims | Black Inc TWENTY |
|---|
First added August 17
Last updated January 6
Not listed for 874 days