2025 Factor Bikes OSTRO GRAVEL Carbon 49

Build

700C/29 in × 40 mm

Insights

Average stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Factor Bikes OSTRO GRAVEL

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
515mm
Reach
377mm
Stack to Reach Ratio
1.37:1
Seat Tube Length, C-T
450mm
Top Tube Slope
9.3deg
Head Tube Angle
71.2deg
Seat Tube Angle
74.5deg
Bottom Bracket Drop
76mm
Bottom Bracket Height
275mm
Chainstay Length
420mm
Chainstay Length Horizontal
413.1mm
Front-Center
590.8mm
Front-Center Horizontal
585.9mm
Wheelbase
999mm
Fork Offset/Rake
56mm
Trail
60.3mm
mid/​neutral
Mechanical Trail
57.1mm
Wheel Flop
18.4mm
Standover Height
750mm
Tire to Pedal Spindle Distance
With 170 mm cranks
69.8mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
105mm

Carbon Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1701mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://factorbikes.com/bikes/ostro-gravel