Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 52 vs 2026 Winspace Cycle Co M6 Base M

Insights

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Factor Bikes OSTRO GRAVEL

Average stack and reach vs trend of performance road bikes

Stack	535mm	535mm +0mm
Reach	385mm	383mm -2mm
Stack to Reach Ratio	1.39:1	1.4:1
Seat Tube Length, C-T	468mm	—
Seat Tube Length, Effective Unknown	—	480mm
Top Tube Length, Effective/Horizontal Unknown	—	536mm
Top Tube Slope	9.4deg	—
Head Tube Angle	71.3deg	72.2deg +0.9deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	—	130mm
Bottom Bracket Drop	76mm	72mm -4mm
Bottom Bracket Height	275mm	271mm -4mm
Chainstay Length	420mm	410mm -10mm
Chainstay Length Horizontal	413.1mm	403.6mm -9.5mm
Front-Center	604.7mm	580.9mm -23.8mm
Front-Center Horizontal	599.9mm	576.4mm -23.5mm
Wheelbase	1013mm	980mm -33mm
Fork Offset/Rake	56mm	43mm -13mm
Fork Length, Unknown	—	369mm
Trail	59.7mm mid/neutral	65mm +5.3mm mid/neutral
Mechanical Trail	56.5mm	61.9mm +5.4mm
Wheel Flop	18.1mm	18.9mm +0.8mm
Standover Height	767mm	769mm +2mm
Tire to Pedal Spindle	83.7mm 170 mm cranks	67.9mm -15.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	101mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	32mm -8mm
Tire Outer Diameter	702mm	686mm -16mm
Bike Length with Tires	1715mm	1666mm -49mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://factorbikes.com/bikes/ostro-gravel	https://cdn.shopify.com/s/files/1/0912/6101/0215/files/2_M6_catalog_-_260224_2__04.png?v=1772209825
Brand	Factor Bikes	Winspace Cycle Co
Bike	2025 OSTRO GRAVEL Carbon	2026 M6 Base
Size	52	M
Category	Progressive Gravel	Performance Road