Compare: 2026 Argon 18 Nitrogen Base XXS vs 2023 Bigrock Sohtea Base XXS 45

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	486mm	502mm +16mm
Reach	370mm	365mm -5mm
Stack to Reach Ratio	1.31:1	1.38:1
Seat Tube Length, C-T	—	400mm
Seat Tube Length, C-TTT	395mm	—
Top Tube Length, Effective/Horizontal Center	502mm	490mm -12mm
Top Tube Slope	10.1deg	13.9deg +3.8deg
Head Tube Angle	71.2deg	70.5deg -0.7deg
Seat Tube Angle	75deg	76deg +1deg
Head Tube Length	81mm	102mm +21mm
Bottom Bracket Drop	71mm	74mm +3mm
Bottom Bracket Height	270mm	267mm -3mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.8mm	403.3mm -0.5mm
Front-Center	567.7mm	571mm +3.3mm
Front-Center Horizontal	563.2mm	566.7mm +3.5mm
Wheelbase	967mm	970mm +3mm
Fork Offset/Rake	49mm	47mm -2mm
Fork Length (Axle-To-Crown)	376mm	—
Fork Length, Unknown	—	369mm
Trail	64.3mm mid/neutral	70.9mm +6.6mm high
Mechanical Trail	60.9mm	66.8mm +5.9mm
Wheel Flop	19.6mm	22.3mm +2.7mm
Tire to Pedal Spindle	61.7mm 165 mm cranks	60mm -1.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 165 mm cranks	97mm -8mm 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	1649mm	1652mm +3mm
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