Compare: 2026 Argon 18 Nitrogen Base L vs 2023 Bigrock Sohtea Base XL 58

Insights

Average 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	580mm	590mm +10mm
Reach	400mm	402mm +2mm
Stack to Reach Ratio	1.45:1	1.47:1
Seat Tube Length, C-T	—	532mm
Seat Tube Length, C-TTT	550mm	—
Top Tube Length, Effective/Horizontal Center	578mm	577mm -1mm
Top Tube Slope	3.5deg	8.2deg +4.7deg
Head Tube Angle	72.7deg	73.5deg +0.8deg
Seat Tube Angle	73deg	73.5deg +0.5deg
Head Tube Length	165mm	184mm +19mm
Bottom Bracket Drop	79mm	72mm -7mm
Bottom Bracket Height	262mm	269mm +7mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	402.3mm	403.6mm +1.3mm
Front-Center	608.8mm	605.8mm -3mm
Front-Center Horizontal	603.7mm	601.4mm -2.3mm
Wheelbase	1006mm	1005mm -1mm
Fork Offset/Rake	45mm	44mm -1mm
Fork Length (Axle-To-Crown)	376mm	—
Fork Length, Unknown	—	369mm
Trail	59.1mm mid/neutral	55.1mm -4mm mid/neutral
Mechanical Trail	56.4mm	52.9mm -3.5mm
Wheel Flop	16.8mm	15mm -1.8mm
Tire to Pedal Spindle	95.3mm 172.5 mm cranks	94.8mm -0.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	89.5mm 172.5 mm cranks	99mm +9.5mm 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	1688mm	1687mm -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