Compare: 2025 Factor Bikes OSTRO GRAVEL Carbon 54 vs 2026 Winspace Cycle Co M6 Base L

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	555mm	550mm -5mm
Reach	394mm	391mm -3mm
Stack to Reach Ratio	1.41:1	1.41:1
Seat Tube Length, C-T	483mm	—
Seat Tube Length, Effective Unknown	—	510mm
Top Tube Length, Effective/Horizontal Unknown	—	554mm
Top Tube Slope	9.8deg	—
Head Tube Angle	72.2deg	72.3deg +0.1deg
Seat Tube Angle	74deg	73.5deg -0.5deg
Head Tube Length	—	145mm
Bottom Bracket Drop	74mm	72mm -2mm
Bottom Bracket Height	277mm	271mm -6mm
Chainstay Length	420mm	410mm -10mm
Chainstay Length Horizontal	413.4mm	403.6mm -9.8mm
Front-Center	605.1mm	592.8mm -12.3mm
Front-Center Horizontal	600.6mm	588.4mm -12.2mm
Wheelbase	1014mm	992mm -22mm
Fork Offset/Rake	50mm	43mm -7mm
Fork Length, Unknown	—	369mm
Trail	60.2mm mid/neutral	64.3mm +4.1mm mid/neutral
Mechanical Trail	57.3mm	61.3mm +4mm
Wheel Flop	17.5mm	18.6mm +1.1mm
Standover Height	786mm	791mm +5mm
Tire to Pedal Spindle	84.1mm 170 mm cranks	79.8mm -4.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	101mm -6mm 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	1716mm	1678mm -38mm
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	54	L
Category	Progressive Gravel	Performance Road