Compare: 2026 Argon 18 Nitrogen Base XS vs 2023 Bigrock Sohtea Base XS 49

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Nitrogen

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Bigrock Sohtea

Stack	508mm	513mm +5mm
Reach	377mm	375mm -2mm
Stack to Reach Ratio	1.35:1	1.37:1
Seat Tube Length, C-T	—	431mm
Seat Tube Length, C-TTT	425mm	—
Top Tube Length, Effective/Horizontal Center	519mm	508mm -11mm
Top Tube Slope	9.1deg	11.2deg +2.1deg
Head Tube Angle	72.1deg	71.75deg -0.35deg
Seat Tube Angle	74.5deg	75.5deg +1deg
Head Tube Length	97mm	109mm +12mm
Bottom Bracket Drop	75mm	74mm -1mm
Bottom Bracket Height	266mm	267mm +1mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.1mm	403.3mm +0.2mm
Front-Center	573.8mm	574mm +0.2mm
Front-Center Horizontal	568.9mm	569.7mm +0.8mm
Wheelbase	972mm	973mm +1mm
Fork Offset/Rake	49mm	47mm -2mm
Fork Length (Axle-To-Crown)	376mm	—
Fork Length, Unknown	—	369mm
Trail	58.7mm mid/neutral	63mm +4.3mm mid/neutral
Mechanical Trail	55.8mm	59.8mm +4mm
Wheel Flop	17.2mm	18.7mm +1.5mm
Tire to Pedal Spindle	67.8mm 165 mm cranks	63mm -4.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 165 mm cranks	97mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	30mm +0mm
Tire Width Max	34mm	—
Tire Outer Diameter	682mm	682mm +0mm
Bike Length with Tires	1654mm	1655mm +1mm
Crank Length	165mm	—
Handlebar Width	369mm	—
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