Compare: 2021 Trifox Bike X16 Speedster Quick Release Base 49cm 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 Trifox Bike X16 Speedster Quick Release

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of Factor Bikes OSTRO VAM

Stack	514mm	502mm -12mm
Reach	375mm	360mm -15mm
Stack to Reach Ratio	1.37:1	1.39:1
Seat Tube Length, C-T	431mm	—
Seat Tube Length, Unknown	—	432mm
Top Tube Length, Effective/Horizontal Center	508mm	—
Top Tube Slope	11.3deg	10.3deg -1deg
Head Tube Angle	71.75deg	71.1deg -0.65deg
Seat Tube Angle	75.5deg	73.5deg -2deg
Head Tube Length	115mm	—
Bottom Bracket Drop	74mm	72mm -2mm
Bottom Bracket Height	262mm	269mm +7mm
Chainstay Length	410mm	405mm -5mm
Chainstay Length Horizontal	403.3mm	398.6mm -4.7mm
Front-Center	574mm	576mm +2mm
Front-Center Horizontal	569.7mm	571.5mm +1.8mm
Wheelbase	973mm	970mm -3mm
Fork Offset/Rake	47mm	57mm +10mm
Fork Length, Unknown	366mm	—
Trail	61.3mm mid/neutral	56.5mm -4.8mm mid/neutral
Mechanical Trail	58.2mm	53.5mm -4.7mm
Wheel Flop	18.2mm	17.3mm -0.9mm
Standover Height	—	726mm
Tire to Pedal Spindle	68mm 170 mm cranks	65mm -3mm 170 mm cranks
Pedal Spindle to Ground Clearance	92mm 170 mm cranks	99mm +7mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	30mm +5mm
Tire Outer Diameter	672mm	682mm +10mm
Bike Length with Tires	1645mm	1652mm +7mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Unknown	Carbon/Composite
Fork Material	Unknown	Carbon/Composite
Brake Type	Unknown	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.trifoxbike.com/v-brake-lightweight-carbon-road-bike-frame-x16qr-49513379	https://factorbikes.com/bikes/ostro-vam
Brand	Trifox Bike	Factor Bikes
Bike	2021 X16 Speedster Quick Release Base	2026 OSTRO VAM Base
Size	49cm	45
Category	Performance Road	Performance Road