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Today’s DealsOstro Gravel
A carbon frame aero bike with hydraulic disc brakes.
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Manufacturer Price
$5,499| Frame | Carbon |
|---|---|
| Fork | Carbon |
| Wheels | 700c Aluminum |
| Brakes | Hydraulic Disc |
155cm – 163cm
161cm – 169cm
166cm – 175cm
172cm – 181cm
178cm – 186cm
183cm – 191cm
🐐 Estimated
None yet.
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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 stable at speed
Felt slack head tube angle aids stability
Felt benefits from wheel swap for compliance
Ostro Gravel excels at climbing
Ostro Gravel quick handling
Ostro Gravel light weight
Both bikes are good for racing
Both bikes lacked compliance for all-day efforts
Felt Zipp 303S wheels too stiff
Felt seatpost bottle cage placement awkward
Felt rear brake hose occasionally collides with knees during out-of-saddle climbing
Ostro Gravel stiff seatpost feedback
Ostro Gravel internal routing complicates travel packing
Ostro Gravel 1:1 gear ratio too hard for long rides
Ostro Gravel riders need heightened focus on descents

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 24 September
Last updated 4 March
Not listed for 1,196 days