Compare: 2021 Trifox Bike X16 Speedster Quick Release Base 44cm vs 2026 Argon 18 Nitrogen Base XXS

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Trifox Bike X16 Speedster Quick Release

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Nitrogen

Stack	500mm	486mm -14mm
Reach	365mm	370mm +5mm
Stack to Reach Ratio	1.37:1	1.31:1
Seat Tube Length, C-T	400mm	—
Seat Tube Length, C-TTT	—	395mm
Top Tube Length, Effective/Horizontal Center	490mm	502mm +12mm
Top Tube Slope	13.6deg	10.1deg -3.5deg
Head Tube Angle	70.5deg	71.2deg +0.7deg
Seat Tube Angle	76deg	75deg -1deg
Head Tube Length	105mm	81mm -24mm
Bottom Bracket Drop	74mm	71mm -3mm
Bottom Bracket Height	262mm	270mm +8mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	403.8mm +0.5mm
Front-Center	571mm	567.7mm -3.3mm
Front-Center Horizontal	565.7mm	563.2mm -2.5mm
Wheelbase	969mm	967mm -2mm
Fork Offset/Rake	47mm	49mm +2mm
Fork Length (Axle-To-Crown)	—	376mm
Fork Length, Unknown	366mm	—
Trail	69.1mm high	64.3mm -4.8mm mid/neutral
Mechanical Trail	65.2mm	60.9mm -4.3mm
Wheel Flop	21.8mm	19.6mm -2.2mm
Tire to Pedal Spindle	65mm 170 mm cranks	61.7mm -3.3mm 165 mm cranks
Pedal Spindle to Ground Clearance	92mm 170 mm cranks	105mm +13mm 165 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	30mm +5mm
Tire Width Max	—	34mm
Tire Outer Diameter	672mm	682mm +10mm
Bike Length with Tires	1641mm	1649mm +8mm
Crank Length	—	165mm
Handlebar Width	—	360mm
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	www.trifoxbike.com	www.argon18.com
Brand	Trifox Bike	Argon 18
Bike	2021 X16 Speedster Quick Release Base	2026 Nitrogen Base
Size	44cm	XXS
Category	Performance Road	Performance Road