Compare: 2021 Trifox Bike X18 Base 46 vs 2026 Argon 18 Nitrogen Base XXS

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Trifox Bike X18

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Nitrogen

Stack	492mm	486mm -6mm
Reach	373mm	370mm -3mm
Stack to Reach Ratio	1.32:1	1.31:1
Seat Tube Length, C-T	440mm	—
Seat Tube Length, C-TTT	—	395mm
Top Tube Length, Effective/Horizontal Center	500mm	502mm +2mm
Top Tube Slope	7.8deg	10.1deg +2.3deg
Head Tube Angle	71deg	71.2deg +0.2deg
Seat Tube Angle	75.5deg	75deg -0.5deg
Head Tube Length	95mm	81mm -14mm
Bottom Bracket Drop	74mm	71mm -3mm
Bottom Bracket Height	265mm	270mm +5mm
Chainstay Length	415mm	410mm -5mm
Chainstay Length Horizontal	408.4mm	403.8mm -4.6mm
Front-Center	574mm	567.7mm -6.3mm
Front-Center Horizontal	569.7mm	563.2mm -6.5mm
Wheelbase	978mm	967mm -11mm
Fork Offset/Rake	47mm	49mm +2mm
Fork Length (Axle-To-Crown)	—	376mm
Fork Length, Unknown	366mm	—
Trail	67mm high	64.3mm -2.7mm mid/neutral
Mechanical Trail	63.4mm	60.9mm -2.5mm
Wheel Flop	20.6mm	19.6mm -1mm
Tire to Pedal Spindle	65mm 170 mm cranks	61.7mm -3.3mm 165 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	105mm +10mm 165 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	30mm +2mm
Tire Width Max	—	34mm
Tire Outer Diameter	678mm	682mm +4mm
Bike Length with Tires	1656mm	1649mm -7mm
Crank Length	—	165mm
Handlebar Width	—	360mm
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