Compare: 2026 Argon 18 Anti Matter Base XS vs 2026 BXT BXT-GRAVEL-055 Base 48

Insights

Very aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Argon 18 Anti Matter

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of BXT BXT-GRAVEL-055

Stack	508mm	511.5mm +3.5mm
Reach	377mm	368mm -9mm
Stack to Reach Ratio	1.35:1	1.39:1
Seat Tube Length, C-T	425mm	458mm +33mm
Top Tube Length, Effective/Horizontal Center	—	512mm
Top Tube Length, Effective/Horizontal HT Top	520mm	—
Top Tube Slope	11.4deg	8.2deg -3.2deg
Head Tube Angle	70.7deg	70deg -0.7deg
Seat Tube Angle	74.5deg	74.3deg -0.2deg
Head Tube Length	76mm	90mm +14mm
Bottom Bracket Drop	80mm	69mm -11mm
Bottom Bracket Height	276mm	292mm +16mm
Chainstay Length	425mm	426mm +1mm
Chainstay Length Horizontal	417.4mm	420.4mm +3mm
Front-Center	592mm	592mm +0mm
Front-Center Horizontal	586.6mm	587.6mm +1mm
Wheelbase	1004mm	1008mm +4mm
Fork Offset/Rake	51mm	55mm +4mm
Fork Length (Axle-To-Crown)	400mm	—
Fork Length, Unknown	—	401mm
Trail	70.6mm high	72.9mm +2.3mm high
Mechanical Trail	66.7mm	68.5mm +1.8mm
Wheel Flop	22mm	23.4mm +1.4mm
Standover Height	714mm	760mm +46mm
Tire to Pedal Spindle	66mm 170 mm cranks	61mm -5mm 170 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	122mm +16mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	45mm	50mm +5mm
Tire Width Max	55mm	50mm -5mm
Tire Outer Diameter	712mm	722mm +10mm
Bike Length with Tires	1716mm	1730mm +14mm
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