Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices
Today’s Deals2022 Factor
Ostro Gravel
A carbon frame aero bike with hydraulic disc brakes.
Compare the full range
Manufacturer Price
$5,499| Frame | Carbon |
|---|---|
| Fork | Carbon |
| Wheels | 700c Aluminum |
| 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
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Summary
The Factor Ostro is a standout in the aero bike category, praised for its lightweight design, aerodynamic efficiency, and versatility. It excels in fast-handling and comfort over rough terrain, making it a favorite among competitive riders. The bike also features innovative design elements and high-performance components, though some note its firm ride feel and high price point.
Lightweight and aerodynamic design
Fast but balanced handling
High-performance component choices
Innovative frameset design
Comfortable over rough terrain
Overly firm ride feel
High price point
Questionable aesthetic design choices
Feedback?
View all reviews
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
Jun 2023 · Warren Rossiter
Race-ready, aerodynamic and made for gravel
Rapid
Put together beautifully
Brilliant specification
Stiff and responsive
Road derived geometry
Firm ride
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
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 · Sam Challis
A gravel bike you could take crit racing
Light weight
Fast but balanced handling
Rigidity
Spec attention to detail
Overly firm ride feel
Paint scheme options
| Frame | TeXtreme®, Toray®, Nippon Graphite® Pitch-Based Fiber BB Standard: T47, Threaded Tire Clearance: 45c |
|---|---|
| Fork | OSTRO Wide Stance Fork |
| Bottom Bracket | CeramicSpeed T47A Aluminium cups / CeramicSpeed bearings with Wheels MFG 24mm BBRight Reducers / Adapters |
| Headset | CeramicSpeed SLT 1.5" bearings |
| Seatpost | 0 and 20mm setback available Type: Rigid |
| Brakes | Hydraulic disc Type: Hydraulic Disc |
|---|
| Rims | 700c |
|---|
First added September 24
Last updated March 4
Not listed for 1,182 days