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

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Bigrock Sohtea

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Nitrogen

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