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

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Bigrock Sohtea

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Sum

Stack	513mm	517mm +4mm
Reach	375mm	374mm -1mm
Stack to Reach Ratio	1.37:1	1.38:1
Seat Tube Length, C-T	431mm	—
Seat Tube Length, Unknown	—	425mm
Top Tube Length, Effective/Horizontal Center	508mm	—
Top Tube Length, Effective/Horizontal Unknown	—	520mm
Top Tube Slope	11.2deg	12.4deg +1.2deg
Head Tube Angle	71.75deg	72.1deg +0.35deg
Seat Tube Angle	75.5deg	74.5deg -1deg
Head Tube Length	109mm	110mm +1mm
Bottom Bracket Drop	74mm	73mm -1mm
Bottom Bracket Height	267mm	263mm -4mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	403.5mm +0.2mm
Front-Center	574mm	573.2mm -0.8mm
Front-Center Horizontal	569.7mm	568.6mm -1.1mm
Wheelbase	973mm	972mm -1mm
Fork Offset/Rake	47mm	48mm +1mm
Fork Length, Unknown	369mm	374mm +5mm
Trail	63mm mid/neutral	58.1mm -4.9mm mid/neutral
Mechanical Trail	59.8mm	55.3mm -4.5mm
Wheel Flop	18.7mm	17mm -1.7mm
Tire to Pedal Spindle	63mm 170 mm cranks	67.2mm +4.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	93mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	25mm -5mm
Tire Width Max	—	32mm
Tire Outer Diameter	682mm	672mm -10mm
Bike Length with Tires	1655mm	1644mm -11mm
Crank Length	—	170mm
Handlebar Width	—	40cm
Stem Length	—	80mm
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