2022 Factor Bikes OSTRO GRAVEL Carbon

	49	52	54	54	56	58	58	61	61
Stack	515mm	535mm	555mm	555mm	580mm	605mm	605mm	625mm	625mm
Reach	377mm	385mm	394mm	394mm	402mm	412mm	412mm	422mm	422mm
Stack to Reach Ratio	1.37:1	1.39:1	1.41:1	1.41:1	1.44:1	1.47:1	1.47:1	1.48:1	1.48:1
Seat Tube Length, Unknown	450mm	468mm	483mm	483mm	500mm	523mm	523mm	545mm	545mm
Top Tube Length, Effective/Horizontal Center	520mm	538mm	553mm	—	574mm	591mm	—	607mm	—
Top Tube Length, Effective/Horizontal Unknown	—	—	—	553mm	—	—	591mm	—	607mm
Top Tube Slope	9.3deg	9.4deg	9.8deg	9.8deg	10.5deg	10.5deg	10.5deg	10.1deg	10.1deg
Head Tube Angle	71.2deg	71.3deg	72.2deg	72.2deg	72.3deg	72.3deg	72.3deg	72.3deg	72.3deg
Seat Tube Angle	74.5deg	74deg	74deg	74deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	62.8mm	83.5mm	101.2mm	104.4mm	127.1mm	153.3mm	156.5mm	174.3mm	177.5mm
Bottom Bracket Drop	76mm	76mm	74mm	74mm	74mm	74mm	74mm	74mm	74mm
Bottom Bracket Height	280mm	280mm	282mm	269mm	282mm	282mm	265mm	282mm	265mm
Chainstay Length	413mm	414mm	414mm	414mm	413mm	413mm	—	418mm	—
Chainstay Length Horizontal	406mm	407mm	407.3mm	407.3mm	406.3mm	406.3mm	—	411.4mm	—
Front-Center	591mm	604mm	605mm	605mm	620mm	638mm	638mm	655mm	655mm
Front-Center Horizontal	593.1mm	606mm	606.7mm	606.7mm	622.7mm	640.7mm	633.7mm	657.6mm	650.8mm
Wheelbase	999mm	1013mm	1014mm	1014mm	1029mm	1047mm	1047mm	1069mm	1069mm
Fork Offset/Rake	56mm	56mm	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Fork Length (On-Axis)	400mm	400mm	400mm	—	400mm	400mm	—	400mm	—
Fork Length, Unknown	—	—	—	400mm	—	—	400mm	—	400mm
Trail	62mm mid/neutral	61.4mm mid/neutral	61.8mm mid/neutral	57.6mm mid/neutral	61.1mm mid/neutral	61.1mm mid/neutral	55.7mm mid/neutral	61.1mm mid/neutral	55.7mm mid/neutral
Mechanical Trail	58.7mm	58.1mm	58.8mm	54.9mm	58.2mm	58.2mm	53.1mm	58.2mm	53.1mm
Wheel Flop	18.9mm	18.6mm	18mm	16.8mm	17.7mm	17.7mm	16.1mm	17.7mm	16.1mm
Tire to Pedal Spindle	65mm 170 mm cranks	78mm 170 mm cranks	79mm 170 mm cranks	92mm 170 mm cranks	94mm 170 mm cranks	112mm 170 mm cranks	129mm 170 mm cranks	129mm 170 mm cranks	146mm 170 mm cranks
Pedal Spindle to Ground Clearance	110mm 170 mm cranks	110mm 170 mm cranks	112mm 170 mm cranks	99mm 170 mm cranks	112mm 170 mm cranks	112mm 170 mm cranks	95mm 170 mm cranks	112mm 170 mm cranks	95mm 170 mm cranks

	49	52	54	54	56	58	58	61	61
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	45mm	45mm	45mm	32mm	45mm	45mm	28mm	45mm	28mm
Tire Width Max	45mm	45mm	45mm	—	45mm	45mm	42mm	45mm	42mm
Tire Outer Diameter	712mm	712mm	712mm	686mm	712mm	712mm	678mm	712mm	678mm
Bike Length with Tires	1711mm	1725mm	1726mm	1700mm	1741mm	1759mm	1725mm	1781mm	1747mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Progressive Gravel

Source:https://factorbikes.com/products/ostro-gravel/

Suggest Bike Edit

2022 Factor Bikes OSTRO GRAVEL Carbon

Geometry

Carbon Build

Stack and Reach vs. Category Trend