Compare: 2021 Trifox Bike X18 Base 58 vs 2026 Argon 18 Nitrogen Base L

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Trifox Bike X18

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Nitrogen

Stack	581mm	580mm -1mm
Reach	405mm	400mm -5mm
Stack to Reach Ratio	1.43:1	1.45:1
Seat Tube Length, C-T	517mm	—
Seat Tube Length, C-TTT	—	550mm
Top Tube Length, Effective/Horizontal Center	577mm	578mm +1mm
Top Tube Slope	8.8deg	3.5deg -5.3deg
Head Tube Angle	73.5deg	72.7deg -0.8deg
Seat Tube Angle	73.5deg	73deg -0.5deg
Head Tube Length	178mm	165mm -13mm
Bottom Bracket Drop	72mm	79mm +7mm
Bottom Bracket Height	267mm	262mm -5mm
Chainstay Length	415mm	410mm -5mm
Chainstay Length Horizontal	408.7mm	402.3mm -6.4mm
Front-Center	606mm	608.8mm +2.8mm
Front-Center Horizontal	602.3mm	603.7mm +1.4mm
Wheelbase	1011mm	1006mm -5mm
Fork Offset/Rake	47mm	45mm -2mm
Fork Length (Axle-To-Crown)	—	376mm
Fork Length, Unknown	366mm	—
Trail	51.4mm mid/neutral	59.1mm +7.7mm mid/neutral
Mechanical Trail	49.3mm	56.4mm +7.1mm
Wheel Flop	14mm	16.8mm +2.8mm
Tire to Pedal Spindle	97mm 170 mm cranks	95.3mm -1.7mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	89.5mm -7.5mm 172.5 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	1689mm	1688mm -1mm
Crank Length	—	172.5mm
Handlebar Width	—	380mm
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