Factor Ostro Gravel
Every ride, whatever the surface, faster is what counts, and this is the gravel bike you’ve been waiting for. The OSTRO Gravel takes its ‘win everywhere’ mentality from its road racer stablemate, the OSTRO VAM, and is likewise developed to dominate its category with incredible aero, superior handling, high stiffness and low weight. With a tire capacity of 45mm, it’s ready to go anywhere, fast.
At only 900g, the OSTRO Gravel is one of the lightest gravel frames available. We have used the very best materials to reach such a low weight for an aero frame, ensuring that lightness is matched by sensational ride quality and the immense durability you want for season after season of epic gravel racing
Advertised price is for a frameset only, contact us for build options
- Frameset $5999
- Frameset + Wheels $7699
- Complete Bike with Sram Force or Xplr $9299 to $9499
FACTOR OSTRO GRAVEL
MLK 2026 Sale
Frame TeXtreme®, Toray®, Nippon Graphite® Pitch-Based Fiber Fork OSTRO Wide Stance Fork Seatpost 0 and 20mm setback available Barstem Black Inc Integrated Aero Barstem Reach 80mm, drop 120mm. Multiple stem lengths and bar widths available Headset CeramicSpeed SLT 1.5″ bearings Head Tube Diameter 1.5″ upper and lower Saddle Rail Clamps 7x7 and 7x9 Bottom Bracket CeramicSpeed T47A Aluminium cups / CeramicSpeed bearings available for DUB, 24mm, or Ultra-Torque Cable Routing Internal Compatible Components Electronic Brake type Disc Max Rotor Size 160mm front & rear Max Chainring 52-tooth Front Axle 12 x 100mm thru-axle Rear Axle 12 x 142mm thru-axle Wheelset Black Inc THIRTY FOUR Wheel Size 700c Max Tire Clearance 45mm measured Weight 950g Manufacturer Warranty Limited Lifetime Warranty

