Compare: 2023 BXT BX-Road-145 Pro-145 47 vs 2026 Factor Bikes OSTRO VAM Base 45

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of BXT BX-Road-145

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of Factor Bikes OSTRO VAM

Stack	508.4mm	502mm -6.4mm
Reach	372mm	360mm -12mm
Stack to Reach Ratio	1.37:1	1.39:1
Seat Tube Length, C-T	450mm	—
Seat Tube Length, Unknown	—	432mm
Top Tube Length, Effective/Horizontal Center	512mm	—
Top Tube Slope	8.6deg	10.3deg +1.7deg
Head Tube Angle	72.1deg	71.1deg -1deg
Seat Tube Angle	74.6deg	73.5deg -1.1deg
Head Tube Length	100mm	—
Bottom Bracket Drop	70mm	72mm +2mm
Bottom Bracket Height	269mm	269mm +0mm
Chainstay Length	410mm	405mm -5mm
Chainstay Length Horizontal	404mm	398.6mm -5.4mm
Front-Center	565.2mm	576mm +10.8mm
Front-Center Horizontal	560.8mm	571.5mm +10.7mm
Wheelbase	964.8mm	970mm +5.2mm
Fork Offset/Rake	45mm	57mm +12mm
Fork Length (Axle-To-Crown)	375mm	—
Trail	62.2mm mid/neutral	56.5mm -5.7mm mid/neutral
Mechanical Trail	59.2mm	53.5mm -5.7mm
Wheel Flop	18.2mm	17.3mm -0.9mm
Standover Height	—	726mm
Tire to Pedal Spindle	56.2mm 170 mm cranks	65mm +8.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm +0mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	30mm +2mm
Tire Outer Diameter	678mm	682mm +4mm
Bike Length with Tires	1642.8mm	1652mm +9.2mm
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://www.bxtcycle.com/bxt-road-145_p75.html	https://factorbikes.com/bikes/ostro-vam
Brand	BXT	Factor Bikes
Bike	2023 BX-Road-145 Pro-145	2026 OSTRO VAM Base
Size	47	45
Category	Performance Road	Performance Road