Compare: 2026 Factor Bikes OSTRO VAM Base 45 vs 2025 mentech Chermin R 44

Insights

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of Factor Bikes OSTRO VAM

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of mentech Chermin

Stack	502mm	511.6mm +9.6mm
Reach	360mm	352.7mm -7.3mm
Stack to Reach Ratio	1.39:1	1.45:1
Seat Tube Length, C-T	—	440mm
Seat Tube Length, Unknown	432mm	—
Top Tube Length, Effective/Horizontal HT Top	—	485mm
Top Tube Slope	10.3deg	10.5deg +0.2deg
Head Tube Angle	71.1deg	71deg -0.1deg
Seat Tube Angle	73.5deg	75.5deg +2deg
Head Tube Length	—	100mm
Bottom Bracket Drop	72mm	74mm +2mm
Bottom Bracket Height	269mm	265mm -4mm
Chainstay Length	405mm	406mm +1mm
Chainstay Length Horizontal	398.6mm	399.2mm +0.6mm
Front-Center	576mm	561.1mm -14.9mm
Front-Center Horizontal	571.5mm	556.2mm -15.3mm
Wheelbase	970mm	955.4mm -14.6mm
Fork Offset/Rake	57mm	50mm -7mm
Fork Length (Axle-To-Crown)	—	380mm
Trail	56.5mm mid/neutral	63.9mm +7.4mm mid/neutral
Mechanical Trail	53.5mm	60.4mm +6.9mm
Wheel Flop	17.3mm	19.7mm +2.4mm
Standover Height	726mm	727.5mm +1.5mm
Tire to Pedal Spindle	65mm 170 mm cranks	52.1mm -12.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	95mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	28mm -2mm
Tire Outer Diameter	682mm	678mm -4mm
Bike Length with Tires	1652mm	1633.4mm -18.6mm
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-vam	https://store.mentech.com/
Brand	Factor Bikes	mentech
Bike	2026 OSTRO VAM Base	2025 Chermin R
Size	45	44
Category	Performance Road	Performance Road