Compare: 2026 Mondince FM336 Base XS vs 2025 Factor Bikes OSTRO GRAVEL Carbon 52

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Average stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Factor Bikes OSTRO GRAVEL

Stack	535mm	535mm +0mm
Reach	375mm	385mm +10mm
Stack to Reach Ratio	1.43:1	1.39:1
Seat Tube Length, C-T	—	468mm
Seat Tube Length, Unknown	440mm	—
Top Tube Length, Effective/Horizontal Unknown	529mm	—
Top Tube Slope	12.7deg	9.4deg -3.3deg
Head Tube Angle	71deg	71.3deg +0.3deg
Seat Tube Angle	73.9deg	74deg +0.1deg
Head Tube Length	102mm	—
Bottom Bracket Drop	80mm	76mm -4mm
Bottom Bracket Height	271mm	275mm +4mm
Chainstay Length	426mm	420mm -6mm
Chainstay Length Horizontal	418.4mm	413.1mm -5.3mm
Front-Center	595mm	604.7mm +9.7mm
Front-Center Horizontal	589.6mm	599.9mm +10.3mm
Wheelbase	1008mm	1013mm +5mm
Fork Offset/Rake	55mm	56mm +1mm
Fork Length, Unknown	397mm	—
Trail	62.7mm mid/neutral	59.7mm -3mm mid/neutral
Mechanical Trail	59.3mm	56.5mm -2.8mm
Wheel Flop	19.3mm	18.1mm -1.2mm
Standover Height	—	767mm
Tire to Pedal Spindle	74mm 170 mm cranks	83.7mm +9.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	105mm +4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	40mm +0mm
Tire Outer Diameter	702mm	702mm +0mm
Bike Length with Tires	1710mm	1715mm +5mm
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://mondincecycle.com/product/2026-toray-t800-and-t1000-high-stiffness-storage-space-full-carbon-gravel-bike-frame-fm336	https://factorbikes.com/bikes/ostro-gravel
Brand	Mondince	Factor Bikes
Bike	2026 FM336 Base	2025 OSTRO GRAVEL Carbon
Size	XS	52
Category	All-road/Gravel	Progressive Gravel